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<a href="#define-members">Defines</a> &#124;
<a href="#enum-members">Enumerations</a> &#124;
<a href="#func-members">Functions</a>  </div>
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<div class="title">libavutil/avstring.h File Reference</div>  </div>
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<div class="textblock"><code>#include &lt;stddef.h&gt;</code><br/>
<code>#include &lt;stdint.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="attributes_8h_source.html">attributes.h</a>&quot;</code><br/>
</div>
<p><a href="avstring_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga84ac09ffcff9c3c42c35db1f8477cc17">AV_ESCAPE_FLAG_WHITESPACE</a>&#160;&#160;&#160;0x01</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Consider spaces special and escape them even in the middle of the string.  <a href="group__lavu__string.html#ga84ac09ffcff9c3c42c35db1f8477cc17"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga24963cc06a1b89194ba8a2fe013a7d7d">AV_ESCAPE_FLAG_STRICT</a>&#160;&#160;&#160;0x02</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Escape only specified special characters.  <a href="group__lavu__string.html#ga24963cc06a1b89194ba8a2fe013a7d7d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga61b431e73b72949c839788914a599207">AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES</a>&#160;&#160;&#160;1</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">accept codepoints over 0x10FFFF  <a href="group__lavu__string.html#ga61b431e73b72949c839788914a599207"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gadc5f344d3eafe34e9c3169b1178e137b">AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS</a>&#160;&#160;&#160;2</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">accept non-characters - 0xFFFE and 0xFFFF  <a href="group__lavu__string.html#gadc5f344d3eafe34e9c3169b1178e137b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga39a93e11907ca4b116d8d179cbdb570d">AV_UTF8_FLAG_ACCEPT_SURROGATES</a>&#160;&#160;&#160;4</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">accept UTF-16 surrogates codes  <a href="group__lavu__string.html#ga39a93e11907ca4b116d8d179cbdb570d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gaecaf936b2eb2f3c410869e235650229b">AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES</a>&#160;&#160;&#160;8</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">exclude control codes not accepted by XML  <a href="group__lavu__string.html#gaecaf936b2eb2f3c410869e235650229b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga4825349f5346880c6ac32b0847e9a73a">AV_UTF8_FLAG_ACCEPT_ALL</a>&#160;&#160;&#160;<a class="el" href="group__lavu__string.html#ga61b431e73b72949c839788914a599207">AV_UTF8_FLAG_ACCEPT_INVALID_BIG_CODES</a>|<a class="el" href="group__lavu__string.html#gadc5f344d3eafe34e9c3169b1178e137b">AV_UTF8_FLAG_ACCEPT_NON_CHARACTERS</a>|<a class="el" href="group__lavu__string.html#ga39a93e11907ca4b116d8d179cbdb570d">AV_UTF8_FLAG_ACCEPT_SURROGATES</a></td></tr>
<tr><td colspan="2"><h2><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gaef885958293f07153383f99db573ff5a">AVEscapeMode</a> { <a class="el" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa342d7bf60c9a7cb7a886f70f81ac5071">AV_ESCAPE_MODE_AUTO</a>, 
<a class="el" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa8b2d26951a9e06d8f7c12977a204eaf9">AV_ESCAPE_MODE_BACKSLASH</a>, 
<a class="el" href="group__lavu__string.html#ggaef885958293f07153383f99db573ff5aa84da6c323003df474c690ccf5d4e5d67">AV_ESCAPE_MODE_QUOTE</a>
 }</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga6135a12628e2b6a63c8d3d9b3a742b06">av_strstart</a> (const char *str, const char *pfx, const char **ptr)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Return non-zero if pfx is a prefix of str.  <a href="group__lavu__string.html#ga6135a12628e2b6a63c8d3d9b3a742b06"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gacd29ff1f7e62230a113c88fa10d3f5b9">av_stristart</a> (const char *str, const char *pfx, const char **ptr)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Return non-zero if pfx is a prefix of str independent of case.  <a href="group__lavu__string.html#gacd29ff1f7e62230a113c88fa10d3f5b9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga47e14424edfb96d3f6bf0fca96a76fe5">av_stristr</a> (const char *haystack, const char *needle)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locate the first case-independent occurrence in the string haystack of the string needle.  <a href="group__lavu__string.html#ga47e14424edfb96d3f6bf0fca96a76fe5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga827486f333df7bc9a4e7f9bd212ba472">av_strnstr</a> (const char *haystack, const char *needle, size_t hay_length)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locate the first occurrence of the string needle in the string haystack where not more than hay_length characters are searched.  <a href="group__lavu__string.html#ga827486f333df7bc9a4e7f9bd212ba472"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga716447ae73b612bcf3a405b9b4608f6c">av_strlcpy</a> (char *dst, const char *src, size_t size)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Copy the string src to dst, but no more than size - 1 bytes, and null-terminate dst.  <a href="group__lavu__string.html#ga716447ae73b612bcf3a405b9b4608f6c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga193877ba459faf314c3d285b6082cf73">av_strlcat</a> (char *dst, const char *src, size_t size)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Append the string src to the string dst, but to a total length of no more than size - 1 bytes, and null-terminate dst.  <a href="group__lavu__string.html#ga193877ba459faf314c3d285b6082cf73"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gae264e2caf6ad1ca830ce3f2b49abdf50">av_strlcatf</a> (char *dst, size_t size, const char *fmt,...) <a class="el" href="attributes_8h.html#a4b078d4b8e02c0f452ee1dcaa7d983d3">av_printf_format</a>(3</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Append output to a string, according to a format.  <a href="group__lavu__string.html#gae264e2caf6ad1ca830ce3f2b49abdf50"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t static size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga1cb2a3929575d28a415dc02b917ecc01">av_strnlen</a> (const char *s, size_t len)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the count of continuous non zero chars starting from the beginning.  <a href="group__lavu__string.html#ga1cb2a3929575d28a415dc02b917ecc01"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga0a8e3f4a2a3039c441bd0826e4727462">av_asprintf</a> (const char *fmt,...) <a class="el" href="attributes_8h.html#a4b078d4b8e02c0f452ee1dcaa7d983d3">av_printf_format</a>(1</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Print arguments following specified format into a large enough auto allocated buffer.  <a href="group__lavu__string.html#ga0a8e3f4a2a3039c441bd0826e4727462"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga45d0395a448bc186baf081933ea816c9">av_d2str</a> (double d)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Convert a number to a av_malloced string.  <a href="group__lavu__string.html#ga45d0395a448bc186baf081933ea816c9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga7b438169b430f6edf4f4451d867a9218">av_get_token</a> (const char **buf, const char *term)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Unescape the given string until a non escaped terminating char, and return the token corresponding to the unescaped string.  <a href="group__lavu__string.html#ga7b438169b430f6edf4f4451d867a9218"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga3d4270f4ed651c414e2850090b9b77c4">av_strtok</a> (char *s, const char *delim, char **saveptr)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Split the string into several tokens which can be accessed by successive calls to <a class="el" href="group__lavu__string.html#ga3d4270f4ed651c414e2850090b9b77c4" title="Split the string into several tokens which can be accessed by successive calls to av_strtok()...">av_strtok()</a>.  <a href="group__lavu__string.html#ga3d4270f4ed651c414e2850090b9b77c4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga5bb8470648a5ecf3f5f535fd14098318">av_isdigit</a> (int c)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locale-independent conversion of ASCII isdigit.  <a href="group__lavu__string.html#ga5bb8470648a5ecf3f5f535fd14098318"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga492982cc240ce4733e4bf298a416a6f5">av_isgraph</a> (int c)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locale-independent conversion of ASCII isgraph.  <a href="group__lavu__string.html#ga492982cc240ce4733e4bf298a416a6f5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gafd7d42d9ead2de53a1decfbea5b7656d">av_isspace</a> (int c)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locale-independent conversion of ASCII isspace.  <a href="group__lavu__string.html#gafd7d42d9ead2de53a1decfbea5b7656d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga9c20e01cbc94a7c9996a8ce93de046b0">av_toupper</a> (int c)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locale-independent conversion of ASCII characters to uppercase.  <a href="group__lavu__string.html#ga9c20e01cbc94a7c9996a8ce93de046b0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga4586526cc16bff30163dee592ed2897c">av_tolower</a> (int c)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locale-independent conversion of ASCII characters to lowercase.  <a href="group__lavu__string.html#ga4586526cc16bff30163dee592ed2897c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="attributes_8h.html#a9eaead3cde73464fd66bab4cef9307ad">av_const</a> int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gadd67ddbf2ea3fc08aa2c3fbde8274c53">av_isxdigit</a> (int c)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locale-independent conversion of ASCII isxdigit.  <a href="group__lavu__string.html#gadd67ddbf2ea3fc08aa2c3fbde8274c53"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga4c60b7d4ce023a6466bc033e31c5349c">av_strcasecmp</a> (const char *a, const char *b)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locale-independent case-insensitive compare.  <a href="group__lavu__string.html#ga4c60b7d4ce023a6466bc033e31c5349c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gaea8a7c8c2832c11e753fbfc0d1464970">av_strncasecmp</a> (const char *a, const char *b, size_t n)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Locale-independent case-insensitive compare.  <a href="group__lavu__string.html#gaea8a7c8c2832c11e753fbfc0d1464970"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga1fe5db82a1f7639434fc01bf83919096">av_basename</a> (const char *path)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Thread safe basename.  <a href="group__lavu__string.html#ga1fe5db82a1f7639434fc01bf83919096"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#gac50facc4ebec4a3a4a06c058a71bc027">av_dirname</a> (char *path)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Thread safe dirname.  <a href="group__lavu__string.html#gac50facc4ebec4a3a4a06c058a71bc027"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga5883fa1071129810bccfad9b3e779371">av_match_name</a> (const char *name, const char *names)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Match instances of a name in a comma-separated list of names.  <a href="group__lavu__string.html#ga5883fa1071129810bccfad9b3e779371"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga7a948df0bd80a22f3fc4a267c4ef08c1">av_append_path_component</a> (const char *path, const char *component)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Append path component to the existing path.  <a href="group__lavu__string.html#ga7a948df0bd80a22f3fc4a267c4ef08c1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga3781b9212ada2863274cf1def2743d25">av_escape</a> (char **dst, const char *src, const char *special_chars, enum <a class="el" href="group__lavu__string.html#gaef885958293f07153383f99db573ff5a">AVEscapeMode</a> mode, int flags)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Escape string in src, and put the escaped string in an allocated string in *dst, which must be freed with <a class="el" href="group__lavu__mem.html#ga0c9096f498624c525aa2315b8a20c411" title="Free a memory block which has been allocated with av_malloc(z)() or av_realloc().">av_free()</a>.  <a href="group__lavu__string.html#ga3781b9212ada2863274cf1def2743d25"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga4b48c16f6614091a8ea6b3e3836b541a">av_utf8_decode</a> (int32_t *codep, const uint8_t **bufp, const uint8_t *buf_end, unsigned int flags)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Read and decode a single UTF-8 code point (character) from the buffer in *buf, and update *buf to point to the next byte to decode.  <a href="group__lavu__string.html#ga4b48c16f6614091a8ea6b3e3836b541a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lavu__string.html#ga9a6eb11f2b4053d6bba95d8da156da2d">av_match_list</a> (const char *name, const char *list, char separator)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Check if a name is in a list.  <a href="group__lavu__string.html#ga9a6eb11f2b4053d6bba95d8da156da2d"></a><br/></td></tr>
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