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<li class="navelem"><a class="el" href="dir_8d855866ba5d436d839c7fc557836cd9.html">libavutil</a></li> </ul>
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<div class="title">avstring.h</div> </div>
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<a href="avstring_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2007 Mans Rullgard</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef AVUTIL_AVSTRING_H</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define AVUTIL_AVSTRING_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <stddef.h></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "<a class="code" href="attributes_8h.html">attributes.h</a>"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * @addtogroup lavu_string</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * @{</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * Return non-zero if pfx is a prefix of str. If it is, *ptr is set to</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * the address of the first character in str after the prefix.</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * @param str input string</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * @param pfx prefix to test</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * @param ptr updated if the prefix is matched inside str</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * @return non-zero if the prefix matches, zero otherwise</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga6135a12628e2b6a63c8d3d9b3a742b06">av_strstart</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, <span class="keyword">const</span> <span class="keywordtype">char</span> *pfx, <span class="keyword">const</span> <span class="keywordtype">char</span> **ptr);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * Return non-zero if pfx is a prefix of str independent of case. If</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * it is, *ptr is set to the address of the first character in str</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * after the prefix.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * @param str input string</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * @param pfx prefix to test</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * @param ptr updated if the prefix is matched inside str</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @return non-zero if the prefix matches, zero otherwise</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#gacd29ff1f7e62230a113c88fa10d3f5b9">av_stristart</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *str, <span class="keyword">const</span> <span class="keywordtype">char</span> *pfx, <span class="keyword">const</span> <span class="keywordtype">char</span> **ptr);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"></span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * Locate the first case-independent occurrence in the string haystack</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * of the string needle. A zero-length string needle is considered to</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * match at the start of haystack.</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * This function is a case-insensitive version of the standard strstr().</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * @param haystack string to search in</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * @param needle string to search for</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * @return pointer to the located match within haystack</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * or a null pointer if no match</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#ga47e14424edfb96d3f6bf0fca96a76fe5">av_stristr</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *haystack, <span class="keyword">const</span> <span class="keywordtype">char</span> *needle);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"></span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> * Locate the first occurrence of the string needle in the string haystack</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> * where not more than hay_length characters are searched. A zero-length</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * string needle is considered to match at the start of haystack.</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> * This function is a length-limited version of the standard strstr().</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * @param haystack string to search in</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * @param needle string to search for</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * @param hay_length length of string to search in</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> * @return pointer to the located match within haystack</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> * or a null pointer if no match</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#ga827486f333df7bc9a4e7f9bd212ba472">av_strnstr</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *haystack, <span class="keyword">const</span> <span class="keywordtype">char</span> *needle, <span class="keywordtype">size_t</span> hay_length);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"></span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> * Copy the string src to dst, but no more than size - 1 bytes, and</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> * null-terminate dst.</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"> * This function is the same as BSD strlcpy().</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> * @param dst destination buffer</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> * @param src source string</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * @param size size of destination buffer</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * @return the length of src</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> * @warning since the return value is the length of src, src absolutely</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> * _must_ be a properly 0-terminated string, otherwise this will read beyond</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * the end of the buffer and possibly crash.</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keywordtype">size_t</span> <a class="code" href="group__lavu__string.html#ga716447ae73b612bcf3a405b9b4608f6c">av_strlcpy</a>(<span class="keywordtype">char</span> *dst, <span class="keyword">const</span> <span class="keywordtype">char</span> *src, <span class="keywordtype">size_t</span> size);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"></span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> * Append the string src to the string dst, but to a total length of</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * no more than size - 1 bytes, and null-terminate dst.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * This function is similar to BSD strlcat(), but differs when</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> * size <= strlen(dst).</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> * @param dst destination buffer</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> * @param src source string</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> * @param size size of destination buffer</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> * @return the total length of src and dst</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * @warning since the return value use the length of src and dst, these</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * absolutely _must_ be a properly 0-terminated strings, otherwise this</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * will read beyond the end of the buffer and possibly crash.</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="keywordtype">size_t</span> <a class="code" href="group__lavu__string.html#ga193877ba459faf314c3d285b6082cf73">av_strlcat</a>(<span class="keywordtype">char</span> *dst, <span class="keyword">const</span> <span class="keywordtype">char</span> *src, <span class="keywordtype">size_t</span> size);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"></span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * Append output to a string, according to a format. Never write out of</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * the destination buffer, and always put a terminating 0 within</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> * the buffer.</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"> * @param dst destination buffer (string to which the output is</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment"> * appended)</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"> * @param size total size of the destination buffer</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment"> * @param fmt printf-compatible format string, specifying how the</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"> * following parameters are used</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> * @return the length of the string that would have been generated</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> * if enough space had been available</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="keywordtype">size_t</span> <a class="code" href="group__lavu__string.html#gae264e2caf6ad1ca830ce3f2b49abdf50">av_strlcatf</a>(<span class="keywordtype">char</span> *dst, <span class="keywordtype">size_t</span> size, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...) <a class="code" href="attributes_8h.html#a4b078d4b8e02c0f452ee1dcaa7d983d3">av_printf_format</a>(3, 4);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"></span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> * Get the count of continuous non zero chars starting from the beginning.</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> * @param len maximum number of characters to check in the string, that</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> * is the maximum value which is returned by the function</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga1cb2a3929575d28a415dc02b917ecc01"> 140</a></span> static inline <span class="keywordtype">size_t</span> <a class="code" href="group__lavu__string.html#ga1cb2a3929575d28a415dc02b917ecc01">av_strnlen</a>(const <span class="keywordtype">char</span> *s, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">size_t</span> i;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">for</span> (i = 0; i < len && s[i]; i++)</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  ;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> i;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"></span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * Print arguments following specified format into a large enough auto</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * allocated buffer. It is similar to GNU asprintf().</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * @param fmt printf-compatible format string, specifying how the</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * following parameters are used.</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * @return the allocated string</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> * @note You have to free the string yourself with av_free().</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#ga0a8e3f4a2a3039c441bd0826e4727462">av_asprintf</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...) <a class="code" href="attributes_8h.html#a4b078d4b8e02c0f452ee1dcaa7d983d3">av_printf_format</a>(1, 2);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"></span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * Convert a number to a av_malloced string.</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#ga45d0395a448bc186baf081933ea816c9">av_d2str</a>(<span class="keywordtype">double</span> d);</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"></span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * Unescape the given string until a non escaped terminating char,</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> * and return the token corresponding to the unescaped string.</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * The normal \ and ' escaping is supported. Leading and trailing</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * whitespaces are removed, unless they are escaped with '\' or are</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> * enclosed between ''.</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> * @param buf the buffer to parse, buf will be updated to point to the</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> * terminating char</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> * @param term a 0-terminated list of terminating chars</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * @return the malloced unescaped string, which must be av_freed by</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * the user, NULL in case of allocation failure</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#ga7b438169b430f6edf4f4451d867a9218">av_get_token</a>(const <span class="keywordtype">char</span> **buf, const <span class="keywordtype">char</span> *term);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment"></span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"> * Split the string into several tokens which can be accessed by</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> * successive calls to av_strtok().</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * A token is defined as a sequence of characters not belonging to the</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> * set specified in delim.</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> * On the first call to av_strtok(), s should point to the string to</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> * parse, and the value of saveptr is ignored. In subsequent calls, s</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"> * should be NULL, and saveptr should be unchanged since the previous</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"> * call.</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> * This function is similar to strtok_r() defined in POSIX.1.</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"> * @param s the string to parse, may be NULL</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> * @param delim 0-terminated list of token delimiters, must be non-NULL</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> * @param saveptr user-provided pointer which points to stored</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> * information necessary for av_strtok() to continue scanning the same</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> * string. saveptr is updated to point to the next character after the</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> * first delimiter found, or to NULL if the string was terminated</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> * @return the found token, or NULL when no token is found</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#ga3d4270f4ed651c414e2850090b9b77c4">av_strtok</a>(<span class="keywordtype">char</span> *s, const <span class="keywordtype">char</span> *delim, <span class="keywordtype">char</span> **saveptr);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"></span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * Locale-independent conversion of ASCII isdigit.</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga54f9d8cb6e7f411fb145dd6ade19e939"> 206</a></span> static inline <a class="code" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga54f9d8cb6e7f411fb145dd6ade19e939">av_isdigit</a>(<span class="keywordtype">int</span> c)</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> c >= <span class="charliteral">'0'</span> && c <= <span class="charliteral">'9'</span>;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> }</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"></span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> * Locale-independent conversion of ASCII isgraph.</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga91dbda7570409baeb62265fa5f425039"> 214</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga91dbda7570409baeb62265fa5f425039">av_isgraph</a>(<span class="keywordtype">int</span> c)</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> c > 32 && c < 127;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"></span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> * Locale-independent conversion of ASCII isspace.</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga96490acc8dd8d85f2ee43bc605661ffa"> 222</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga96490acc8dd8d85f2ee43bc605661ffa">av_isspace</a>(<span class="keywordtype">int</span> c)</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span> c == <span class="charliteral">' '</span> || c == <span class="charliteral">'\f'</span> || c == <span class="charliteral">'\n'</span> || c == <span class="charliteral">'\r'</span> || c == <span class="charliteral">'\t'</span> ||</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  c == <span class="charliteral">'\v'</span>;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> }</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"></span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> * Locale-independent conversion of ASCII characters to uppercase.</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga9c20e01cbc94a7c9996a8ce93de046b0"> 231</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga9c20e01cbc94a7c9996a8ce93de046b0">av_toupper</a>(<span class="keywordtype">int</span> c)</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> {</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (c >= <span class="charliteral">'a'</span> && c <= <span class="charliteral">'z'</span>)</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  c ^= 0x20;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> c;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"></span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> * Locale-independent conversion of ASCII characters to lowercase.</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga4586526cc16bff30163dee592ed2897c"> 241</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga4586526cc16bff30163dee592ed2897c">av_tolower</a>(<span class="keywordtype">int</span> c)</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> {</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (c >= <span class="charliteral">'A'</span> && c <= <span class="charliteral">'Z'</span>)</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  c ^= 0x20;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">return</span> c;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"></span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * Locale-independent conversion of ASCII isxdigit.</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga644b6231c0c43b9e2925db980f6bfa81"> 251</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga644b6231c0c43b9e2925db980f6bfa81">av_isxdigit</a>(<span class="keywordtype">int</span> c)</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  c = <a class="code" href="group__lavu__string.html#ga4586526cc16bff30163dee592ed2897c">av_tolower</a>(c);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> <a class="code" href="group__lavu__string.html#ga54f9d8cb6e7f411fb145dd6ade19e939">av_isdigit</a>(c) || (c >= <span class="charliteral">'a'</span> && c <= <span class="charliteral">'f'</span>);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> }</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"></span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * Locale-independent case-insensitive compare.</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * @note This means only ASCII-range characters are case-insensitive</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga4c60b7d4ce023a6466bc033e31c5349c">av_strcasecmp</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *a, <span class="keyword">const</span> <span class="keywordtype">char</span> *b);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"></span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * Locale-independent case-insensitive compare.</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> * @note This means only ASCII-range characters are case-insensitive</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#gaea8a7c8c2832c11e753fbfc0d1464970">av_strncasecmp</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *a, <span class="keyword">const</span> <span class="keywordtype">char</span> *b, <span class="keywordtype">size_t</span> n);</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"></span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> * Thread safe basename.</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> * @param path the path, on DOS both \ and / are considered separators.</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> * @return pointer to the basename substring.</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#ga1fe5db82a1f7639434fc01bf83919096">av_basename</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *path);</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"></span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * Thread safe dirname.</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> * @param path the path, on DOS both \ and / are considered separators.</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> * @return the path with the separator replaced by the string terminator or ".".</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> * @note the function may change the input string.</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#gac50facc4ebec4a3a4a06c058a71bc027">av_dirname</a>(<span class="keywordtype">char</span> *path);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"></span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"> * Match instances of a name in a comma-separated list of names.</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> * List entries are checked from the start to the end of the names list,</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> * the first match ends further processing. If an entry prefixed with '-'</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> * matches, then 0 is returned. The "ALL" list entry is considered to</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * match all names.</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> * @param name Name to look for.</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> * @param names List of names.</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> * @return 1 on match, 0 otherwise.</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga5883fa1071129810bccfad9b3e779371">av_match_name</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">char</span> *names);</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"></span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> * Append path component to the existing path.</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> * Path separator '/' is placed between when needed.</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> * Resulting string have to be freed with av_free().</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> * @param path base path</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * @param component component to be appended</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * @return new path or NULL on error.</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="keywordtype">char</span> *<a class="code" href="group__lavu__string.html#ga7a948df0bd80a22f3fc4a267c4ef08c1">av_append_path_component</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *path, <span class="keyword">const</span> <span class="keywordtype">char</span> *component);</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div>
<div class="line"><a name="l00308"></a><span class="lineno"><a class="line" href="group__lavu__string.html#gaef885958293f07153383f99db573ff5a"> 308</a></span> <span class="keyword">enum</span> <a class="code" href="group__lavu__string.html#gaef885958293f07153383f99db573ff5a">AVEscapeMode</a> {</div>
<div class="line"><a name="l00309"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa342d7bf60c9a7cb7a886f70f81ac5071"> 309</a></span>  <a class="code" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa342d7bf60c9a7cb7a886f70f81ac5071">AV_ESCAPE_MODE_AUTO</a>, <span class="comment">///< Use auto-selected escaping mode.</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa8b2d26951a9e06d8f7c12977a204eaf9"> 310</a></span> <span class="comment"></span> <a class="code" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa8b2d26951a9e06d8f7c12977a204eaf9">AV_ESCAPE_MODE_BACKSLASH</a>, <span class="comment">///< Use backslash escaping.</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa84da6c323003df474c690ccf5d4e5d67"> 311</a></span> <span class="comment"></span> <a class="code" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa84da6c323003df474c690ccf5d4e5d67">AV_ESCAPE_MODE_QUOTE</a>, <span class="comment">///< Use single-quote escaping.</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"></span>};</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"></span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="comment"> * Consider spaces special and escape them even in the middle of the</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> * string.</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment"> * This is equivalent to adding the whitespace characters to the special</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"> * characters lists, except it is guaranteed to use the exact same list</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="comment"> * of whitespace characters as the rest of libavutil.</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga84ac09ffcff9c3c42c35db1f8477cc17"> 322</a></span> <span class="preprocessor">#define AV_ESCAPE_FLAG_WHITESPACE (1 << 0)</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> * Escape only specified special characters.</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> * Without this flag, escape also any characters that may be considered</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> * special by av_get_token(), such as the single quote.</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga24963cc06a1b89194ba8a2fe013a7d7d"> 329</a></span> <span class="preprocessor">#define AV_ESCAPE_FLAG_STRICT (1 << 1)</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"> * Escape string in src, and put the escaped string in an allocated</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"> * string in *dst, which must be freed with av_free().</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> * @param dst pointer where an allocated string is put</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> * @param src string to escape, must be non-NULL</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"> * @param special_chars string containing the special characters which</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"> * need to be escaped, can be NULL</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> * @param mode escape mode to employ, see AV_ESCAPE_MODE_* macros.</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> * Any unknown value for mode will be considered equivalent to</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> * AV_ESCAPE_MODE_BACKSLASH, but this behaviour can change without</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> * notice.</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> * @param flags flags which control how to escape, see AV_ESCAPE_FLAG_ macros</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> * @return the length of the allocated string, or a negative error code in case of error</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> * @see av_bprint_escape()</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <a class="code" href="attributes_8h.html#a93f17e0f0b53a66e7b5eceb3dff2918f">av_warn_unused_result</a></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga3c5e00d3f0575f2a3858f837656c08e9">av_escape</a>(<span class="keywordtype">char</span> **dst, <span class="keyword">const</span> <span class="keywordtype">char</span> *src, <span class="keyword">const</span> <span class="keywordtype">char</span> *special_chars,</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keyword">enum</span> <a class="code" href="group__lavu__string.html#gaef885958293f07153383f99db573ff5a">AVEscapeMode</a> mode, <span class="keywordtype">int</span> flags);</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a name="l00351"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga61b431e73b72949c839788914a599207"> 351</a></span> <span class="preprocessor">#define AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES 1 </span><span class="comment">///< accept codepoints over 0x10FFFF</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"><a class="line" href="group__lavu__string.html#gadc5f344d3eafe34e9c3169b1178e137b"> 352</a></span> <span class="comment"></span>#define AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS 2 <span class="comment">///< accept non-characters - 0xFFFE and 0xFFFF</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga39a93e11907ca4b116d8d179cbdb570d"> 353</a></span> <span class="comment"></span>#define AV_UTF8_FLAG_ACCEPT_SURROGATES 4 <span class="comment">///< accept UTF-16 surrogates codes</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"><a class="line" href="group__lavu__string.html#gaecaf936b2eb2f3c410869e235650229b"> 354</a></span> <span class="comment"></span>#define AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES 8 <span class="comment">///< exclude control codes not accepted by XML</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment"></span></div>
<div class="line"><a name="l00356"></a><span class="lineno"><a class="line" href="group__lavu__string.html#ga4825349f5346880c6ac32b0847e9a73a"> 356</a></span> <span class="preprocessor">#define AV_UTF8_FLAG_ACCEPT_ALL \</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="preprocessor"> AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES|AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS|AV_UTF8_FLAG_ACCEPT_SURROGATES</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment"> * Read and decode a single UTF-8 code point (character) from the</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"> * buffer in *buf, and update *buf to point to the next byte to</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span> <span class="comment"> * decode.</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment"> * In case of an invalid byte sequence, the pointer will be updated to</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment"> * the next byte after the invalid sequence and the function will</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment"> * return an error code.</span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment"> * Depending on the specified flags, the function will also fail in</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment"> * case the decoded code point does not belong to a valid range.</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment"> * @note For speed-relevant code a carefully implemented use of</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"> * GET_UTF8() may be preferred.</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment"> * @param codep pointer used to return the parsed code in case of success.</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment"> * The value in *codep is set even in case the range check fails.</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="comment"> * @param bufp pointer to the address the first byte of the sequence</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="comment"> * to decode, updated by the function to point to the</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="comment"> * byte next after the decoded sequence</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment"> * @param buf_end pointer to the end of the buffer, points to the next</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment"> * byte past the last in the buffer. This is used to</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment"> * avoid buffer overreads (in case of an unfinished</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment"> * UTF-8 sequence towards the end of the buffer).</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment"> * @param flags a collection of AV_UTF8_FLAG_* flags</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment"> * @return >= 0 in case a sequence was successfully read, a negative</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment"> * value in case of invalid sequence</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <a class="code" href="attributes_8h.html#a93f17e0f0b53a66e7b5eceb3dff2918f">av_warn_unused_result</a></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#gac6e5b8d7ba04ac2023e825222c36bee3">av_utf8_decode</a>(int32_t *codep, <span class="keyword">const</span> uint8_t **bufp, <span class="keyword">const</span> uint8_t *buf_end,</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags);</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="comment"></span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment"> * Check if a name is in a list.</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment"> * @returns 0 if not found, or the 1 based index where it has been found in the</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment"> * list.</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="keywordtype">int</span> <a class="code" href="group__lavu__string.html#ga9a6eb11f2b4053d6bba95d8da156da2d">av_match_list</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">char</span> *list, <span class="keywordtype">char</span> separator);</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment"></span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="comment"> * @}</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> </div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="preprocessor">#endif </span><span class="comment">/* AVUTIL_AVSTRING_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="attributes_8h_html_a9eaead3cde73464fd66bab4cef9307ad"><div class="ttname"><a href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a></div><div class="ttdeci">#define av_const</div><div class="ttdef"><b>Definition:</b> <a href="attributes_8h_source.html#l00076">attributes.h:76</a></div></div>
<div class="ttc" id="group__lavu__string_html_gac6e5b8d7ba04ac2023e825222c36bee3"><div class="ttname"><a href="group__lavu__string.html#gac6e5b8d7ba04ac2023e825222c36bee3">av_utf8_decode</a></div><div class="ttdeci">av_warn_unused_result int av_utf8_decode(int32_t *codep, const uint8_t **bufp, const uint8_t *buf_end, unsigned int flags)</div><div class="ttdoc">Read and decode a single UTF-8 code point (character) from the buffer in *buf, and update *buf to poi...</div></div>
<div class="ttc" id="group__lavu__string_html_ga54f9d8cb6e7f411fb145dd6ade19e939"><div class="ttname"><a href="group__lavu__string.html#ga54f9d8cb6e7f411fb145dd6ade19e939">av_isdigit</a></div><div class="ttdeci">static av_const int av_isdigit(int c)</div><div class="ttdoc">Locale-independent conversion of ASCII isdigit. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00206">avstring.h:206</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga1cb2a3929575d28a415dc02b917ecc01"><div class="ttname"><a href="group__lavu__string.html#ga1cb2a3929575d28a415dc02b917ecc01">av_strnlen</a></div><div class="ttdeci">size_t static size_t av_strnlen(const char *s, size_t len)</div><div class="ttdoc">Get the count of continuous non zero chars starting from the beginning. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00140">avstring.h:140</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga47e14424edfb96d3f6bf0fca96a76fe5"><div class="ttname"><a href="group__lavu__string.html#ga47e14424edfb96d3f6bf0fca96a76fe5">av_stristr</a></div><div class="ttdeci">char * av_stristr(const char *haystack, const char *needle)</div><div class="ttdoc">Locate the first case-independent occurrence in the string haystack of the string needle...</div></div>
<div class="ttc" id="group__lavu__string_html_ga3c5e00d3f0575f2a3858f837656c08e9"><div class="ttname"><a href="group__lavu__string.html#ga3c5e00d3f0575f2a3858f837656c08e9">av_escape</a></div><div class="ttdeci">av_warn_unused_result int av_escape(char **dst, const char *src, const char *special_chars, enum AVEscapeMode mode, int flags)</div><div class="ttdoc">Escape string in src, and put the escaped string in an allocated string in *dst, which must be freed ...</div></div>
<div class="ttc" id="group__lavu__string_html_ga96490acc8dd8d85f2ee43bc605661ffa"><div class="ttname"><a href="group__lavu__string.html#ga96490acc8dd8d85f2ee43bc605661ffa">av_isspace</a></div><div class="ttdeci">static av_const int av_isspace(int c)</div><div class="ttdoc">Locale-independent conversion of ASCII isspace. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00222">avstring.h:222</a></div></div>
<div class="ttc" id="group__lavu__string_html_gaea8a7c8c2832c11e753fbfc0d1464970"><div class="ttname"><a href="group__lavu__string.html#gaea8a7c8c2832c11e753fbfc0d1464970">av_strncasecmp</a></div><div class="ttdeci">int av_strncasecmp(const char *a, const char *b, size_t n)</div><div class="ttdoc">Locale-independent case-insensitive compare. </div></div>
<div class="ttc" id="group__lavu__string_html_ggaef885958293f07153383f99db573ff5aa8b2d26951a9e06d8f7c12977a204eaf9"><div class="ttname"><a href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa8b2d26951a9e06d8f7c12977a204eaf9">AV_ESCAPE_MODE_BACKSLASH</a></div><div class="ttdoc">Use backslash escaping. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00310">avstring.h:310</a></div></div>
<div class="ttc" id="attributes_8h_html"><div class="ttname"><a href="attributes_8h.html">attributes.h</a></div><div class="ttdoc">Macro definitions for various function/variable attributes. </div></div>
<div class="ttc" id="group__lavu__string_html_gacd29ff1f7e62230a113c88fa10d3f5b9"><div class="ttname"><a href="group__lavu__string.html#gacd29ff1f7e62230a113c88fa10d3f5b9">av_stristart</a></div><div class="ttdeci">int av_stristart(const char *str, const char *pfx, const char **ptr)</div><div class="ttdoc">Return non-zero if pfx is a prefix of str independent of case. </div></div>
<div class="ttc" id="group__lavu__string_html_ga1fe5db82a1f7639434fc01bf83919096"><div class="ttname"><a href="group__lavu__string.html#ga1fe5db82a1f7639434fc01bf83919096">av_basename</a></div><div class="ttdeci">const char * av_basename(const char *path)</div><div class="ttdoc">Thread safe basename. </div></div>
<div class="ttc" id="group__lavu__string_html_ga45d0395a448bc186baf081933ea816c9"><div class="ttname"><a href="group__lavu__string.html#ga45d0395a448bc186baf081933ea816c9">av_d2str</a></div><div class="ttdeci">char char * av_d2str(double d)</div><div class="ttdoc">Convert a number to a av_malloced string. </div></div>
<div class="ttc" id="group__lavu__string_html_ggaef885958293f07153383f99db573ff5aa84da6c323003df474c690ccf5d4e5d67"><div class="ttname"><a href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa84da6c323003df474c690ccf5d4e5d67">AV_ESCAPE_MODE_QUOTE</a></div><div class="ttdoc">Use single-quote escaping. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00311">avstring.h:311</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga4586526cc16bff30163dee592ed2897c"><div class="ttname"><a href="group__lavu__string.html#ga4586526cc16bff30163dee592ed2897c">av_tolower</a></div><div class="ttdeci">static av_const int av_tolower(int c)</div><div class="ttdoc">Locale-independent conversion of ASCII characters to lowercase. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00241">avstring.h:241</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga9a6eb11f2b4053d6bba95d8da156da2d"><div class="ttname"><a href="group__lavu__string.html#ga9a6eb11f2b4053d6bba95d8da156da2d">av_match_list</a></div><div class="ttdeci">int av_match_list(const char *name, const char *list, char separator)</div><div class="ttdoc">Check if a name is in a list. </div></div>
<div class="ttc" id="group__lavu__string_html_ga5883fa1071129810bccfad9b3e779371"><div class="ttname"><a href="group__lavu__string.html#ga5883fa1071129810bccfad9b3e779371">av_match_name</a></div><div class="ttdeci">int av_match_name(const char *name, const char *names)</div><div class="ttdoc">Match instances of a name in a comma-separated list of names. </div></div>
<div class="ttc" id="group__lavu__string_html_ga716447ae73b612bcf3a405b9b4608f6c"><div class="ttname"><a href="group__lavu__string.html#ga716447ae73b612bcf3a405b9b4608f6c">av_strlcpy</a></div><div class="ttdeci">size_t av_strlcpy(char *dst, const char *src, size_t size)</div><div class="ttdoc">Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst. </div></div>
<div class="ttc" id="group__lavu__string_html_ga7b438169b430f6edf4f4451d867a9218"><div class="ttname"><a href="group__lavu__string.html#ga7b438169b430f6edf4f4451d867a9218">av_get_token</a></div><div class="ttdeci">char * av_get_token(const char **buf, const char *term)</div><div class="ttdoc">Unescape the given string until a non escaped terminating char, and return the token corresponding to...</div></div>
<div class="ttc" id="attributes_8h_html_a4b078d4b8e02c0f452ee1dcaa7d983d3"><div class="ttname"><a href="attributes_8h.html#a4b078d4b8e02c0f452ee1dcaa7d983d3">av_printf_format</a></div><div class="ttdeci">#define av_printf_format(fmtpos, attrpos)</div><div class="ttdef"><b>Definition:</b> <a href="attributes_8h_source.html#l00156">attributes.h:156</a></div></div>
<div class="ttc" id="group__lavu__string_html_ggaef885958293f07153383f99db573ff5aa342d7bf60c9a7cb7a886f70f81ac5071"><div class="ttname"><a href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa342d7bf60c9a7cb7a886f70f81ac5071">AV_ESCAPE_MODE_AUTO</a></div><div class="ttdoc">Use auto-selected escaping mode. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00309">avstring.h:309</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga4c60b7d4ce023a6466bc033e31c5349c"><div class="ttname"><a href="group__lavu__string.html#ga4c60b7d4ce023a6466bc033e31c5349c">av_strcasecmp</a></div><div class="ttdeci">int av_strcasecmp(const char *a, const char *b)</div><div class="ttdoc">Locale-independent case-insensitive compare. </div></div>
<div class="ttc" id="group__lavu__string_html_ga9c20e01cbc94a7c9996a8ce93de046b0"><div class="ttname"><a href="group__lavu__string.html#ga9c20e01cbc94a7c9996a8ce93de046b0">av_toupper</a></div><div class="ttdeci">static av_const int av_toupper(int c)</div><div class="ttdoc">Locale-independent conversion of ASCII characters to uppercase. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00231">avstring.h:231</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga644b6231c0c43b9e2925db980f6bfa81"><div class="ttname"><a href="group__lavu__string.html#ga644b6231c0c43b9e2925db980f6bfa81">av_isxdigit</a></div><div class="ttdeci">static av_const int av_isxdigit(int c)</div><div class="ttdoc">Locale-independent conversion of ASCII isxdigit. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00251">avstring.h:251</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga193877ba459faf314c3d285b6082cf73"><div class="ttname"><a href="group__lavu__string.html#ga193877ba459faf314c3d285b6082cf73">av_strlcat</a></div><div class="ttdeci">size_t av_strlcat(char *dst, const char *src, size_t size)</div><div class="ttdoc">Append the string src to the string dst, but to a total length of no more than size - 1 bytes...</div></div>
<div class="ttc" id="attributes_8h_html_a93f17e0f0b53a66e7b5eceb3dff2918f"><div class="ttname"><a href="attributes_8h.html#a93f17e0f0b53a66e7b5eceb3dff2918f">av_warn_unused_result</a></div><div class="ttdeci">#define av_warn_unused_result</div><div class="ttdef"><b>Definition:</b> <a href="attributes_8h_source.html#l00056">attributes.h:56</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga3d4270f4ed651c414e2850090b9b77c4"><div class="ttname"><a href="group__lavu__string.html#ga3d4270f4ed651c414e2850090b9b77c4">av_strtok</a></div><div class="ttdeci">char * av_strtok(char *s, const char *delim, char **saveptr)</div><div class="ttdoc">Split the string into several tokens which can be accessed by successive calls to av_strtok()...</div></div>
<div class="ttc" id="group__lavu__string_html_ga6135a12628e2b6a63c8d3d9b3a742b06"><div class="ttname"><a href="group__lavu__string.html#ga6135a12628e2b6a63c8d3d9b3a742b06">av_strstart</a></div><div class="ttdeci">int av_strstart(const char *str, const char *pfx, const char **ptr)</div><div class="ttdoc">Return non-zero if pfx is a prefix of str. </div></div>
<div class="ttc" id="group__lavu__string_html_ga91dbda7570409baeb62265fa5f425039"><div class="ttname"><a href="group__lavu__string.html#ga91dbda7570409baeb62265fa5f425039">av_isgraph</a></div><div class="ttdeci">static av_const int av_isgraph(int c)</div><div class="ttdoc">Locale-independent conversion of ASCII isgraph. </div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00214">avstring.h:214</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga7a948df0bd80a22f3fc4a267c4ef08c1"><div class="ttname"><a href="group__lavu__string.html#ga7a948df0bd80a22f3fc4a267c4ef08c1">av_append_path_component</a></div><div class="ttdeci">char * av_append_path_component(const char *path, const char *component)</div><div class="ttdoc">Append path component to the existing path. </div></div>
<div class="ttc" id="group__lavu__string_html_ga827486f333df7bc9a4e7f9bd212ba472"><div class="ttname"><a href="group__lavu__string.html#ga827486f333df7bc9a4e7f9bd212ba472">av_strnstr</a></div><div class="ttdeci">char * av_strnstr(const char *haystack, const char *needle, size_t hay_length)</div><div class="ttdoc">Locate the first occurrence of the string needle in the string haystack where not more than hay_lengt...</div></div>
<div class="ttc" id="group__lavu__string_html_gac50facc4ebec4a3a4a06c058a71bc027"><div class="ttname"><a href="group__lavu__string.html#gac50facc4ebec4a3a4a06c058a71bc027">av_dirname</a></div><div class="ttdeci">const char * av_dirname(char *path)</div><div class="ttdoc">Thread safe dirname. </div></div>
<div class="ttc" id="group__lavu__string_html_gaef885958293f07153383f99db573ff5a"><div class="ttname"><a href="group__lavu__string.html#gaef885958293f07153383f99db573ff5a">AVEscapeMode</a></div><div class="ttdeci">AVEscapeMode</div><div class="ttdef"><b>Definition:</b> <a href="avstring_8h_source.html#l00308">avstring.h:308</a></div></div>
<div class="ttc" id="group__lavu__string_html_ga0a8e3f4a2a3039c441bd0826e4727462"><div class="ttname"><a href="group__lavu__string.html#ga0a8e3f4a2a3039c441bd0826e4727462">av_asprintf</a></div><div class="ttdeci">char * av_asprintf(const char *fmt,...) av_printf_format(1</div><div class="ttdoc">Print arguments following specified format into a large enough auto allocated buffer. </div></div>
<div class="ttc" id="group__lavu__string_html_gae264e2caf6ad1ca830ce3f2b49abdf50"><div class="ttname"><a href="group__lavu__string.html#gae264e2caf6ad1ca830ce3f2b49abdf50">av_strlcatf</a></div><div class="ttdeci">size_t av_strlcatf(char *dst, size_t size, const char *fmt,...) av_printf_format(3</div><div class="ttdoc">Append output to a string, according to a format. </div></div>
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