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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>String Manipulation</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The Linux Kernel API" /><link rel="up" href="ch02.html" title="Chapter 2. Basic C Library Functions" /><link rel="prev" href="re57.html" title="sscanf" /><link rel="next" href="re58.html" title="strnicmp" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">String Manipulation</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re57.html">Prev</a> </td><th width="60%" align="center">Chapter 2. Basic C Library Functions</th><td width="20%" align="right"> <a accesskey="n" href="re58.html">Next</a></td></tr></table><hr /></div><div class="sect1" title="String Manipulation"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2624521"></a>String Manipulation</h2></div></div></div><div class="toc"><dl><dt><span class="refentrytitle"><a href="re58.html"><span>strnicmp</span></a></span><span class="refpurpose"> —
Case insensitive, length-limited string comparison
</span></dt><dt><span class="refentrytitle"><a href="re59.html"><span>strcpy</span></a></span><span class="refpurpose"> —
Copy a <code class="constant">NUL</code> terminated string
</span></dt><dt><span class="refentrytitle"><a href="re60.html"><span>strncpy</span></a></span><span class="refpurpose"> —
Copy a length-limited, <code class="constant">NUL-terminated</code> string
</span></dt><dt><span class="refentrytitle"><a href="re61.html"><span>strlcpy</span></a></span><span class="refpurpose"> —
Copy a <code class="constant">NUL</code> terminated string into a sized buffer
</span></dt><dt><span class="refentrytitle"><a href="re62.html"><span>strcat</span></a></span><span class="refpurpose"> —
Append one <code class="constant">NUL-terminated</code> string to another
</span></dt><dt><span class="refentrytitle"><a href="re63.html"><span>strncat</span></a></span><span class="refpurpose"> —
Append a length-limited, <code class="constant">NUL-terminated</code> string to another
</span></dt><dt><span class="refentrytitle"><a href="re64.html"><span>strlcat</span></a></span><span class="refpurpose"> —
Append a length-limited, <code class="constant">NUL-terminated</code> string to another
</span></dt><dt><span class="refentrytitle"><a href="re65.html"><span>strcmp</span></a></span><span class="refpurpose"> —
Compare two strings
</span></dt><dt><span class="refentrytitle"><a href="re66.html"><span>strncmp</span></a></span><span class="refpurpose"> —
Compare two length-limited strings
</span></dt><dt><span class="refentrytitle"><a href="re67.html"><span>strchr</span></a></span><span class="refpurpose"> —
Find the first occurrence of a character in a string
</span></dt><dt><span class="refentrytitle"><a href="re68.html"><span>strrchr</span></a></span><span class="refpurpose"> —
Find the last occurrence of a character in a string
</span></dt><dt><span class="refentrytitle"><a href="re69.html"><span>strnchr</span></a></span><span class="refpurpose"> —
Find a character in a length limited string
</span></dt><dt><span class="refentrytitle"><a href="re70.html"><span>skip_spaces</span></a></span><span class="refpurpose"> —
Removes leading whitespace from <em class="parameter"><code>s</code></em>.
</span></dt><dt><span class="refentrytitle"><a href="re71.html"><span>strim</span></a></span><span class="refpurpose"> —
Removes leading and trailing whitespace from <em class="parameter"><code>s</code></em>.
</span></dt><dt><span class="refentrytitle"><a href="re72.html"><span>strlen</span></a></span><span class="refpurpose"> —
Find the length of a string
</span></dt><dt><span class="refentrytitle"><a href="re73.html"><span>strnlen</span></a></span><span class="refpurpose"> —
Find the length of a length-limited string
</span></dt><dt><span class="refentrytitle"><a href="re74.html"><span>strspn</span></a></span><span class="refpurpose"> —
Calculate the length of the initial substring of <em class="parameter"><code>s</code></em> which only contain letters in <em class="parameter"><code>accept</code></em>
</span></dt><dt><span class="refentrytitle"><a href="re75.html"><span>strcspn</span></a></span><span class="refpurpose"> —
Calculate the length of the initial substring of <em class="parameter"><code>s</code></em> which does not contain letters in <em class="parameter"><code>reject</code></em>
</span></dt><dt><span class="refentrytitle"><a href="re76.html"><span>strpbrk</span></a></span><span class="refpurpose"> —
Find the first occurrence of a set of characters
</span></dt><dt><span class="refentrytitle"><a href="re77.html"><span>strsep</span></a></span><span class="refpurpose"> —
Split a string into tokens
</span></dt><dt><span class="refentrytitle"><a href="re78.html"><span>sysfs_streq</span></a></span><span class="refpurpose"> —
return true if strings are equal, modulo trailing newline
</span></dt><dt><span class="refentrytitle"><a href="re79.html"><span>memset</span></a></span><span class="refpurpose"> —
Fill a region of memory with the given value
</span></dt><dt><span class="refentrytitle"><a href="re80.html"><span>memcpy</span></a></span><span class="refpurpose"> —
Copy one area of memory to another
</span></dt><dt><span class="refentrytitle"><a href="re81.html"><span>memmove</span></a></span><span class="refpurpose"> —
Copy one area of memory to another
</span></dt><dt><span class="refentrytitle"><a href="re82.html"><span>memcmp</span></a></span><span class="refpurpose"> —
Compare two areas of memory
</span></dt><dt><span class="refentrytitle"><a href="re83.html"><span>memscan</span></a></span><span class="refpurpose"> —
Find a character in an area of memory.
</span></dt><dt><span class="refentrytitle"><a href="re84.html"><span>strstr</span></a></span><span class="refpurpose"> —
Find the first substring in a <code class="constant">NUL</code> terminated string
</span></dt><dt><span class="refentrytitle"><a href="re85.html"><span>strnstr</span></a></span><span class="refpurpose"> —
Find the first substring in a length-limited string
</span></dt><dt><span class="refentrytitle"><a href="re86.html"><span>memchr</span></a></span><span class="refpurpose"> —
Find a character in an area of memory.
</span></dt></dl></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re57.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re58.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>sscanf</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>strnicmp</span></td></tr></table></div></body></html>
