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175 lines
12 KiB
HTML
175 lines
12 KiB
HTML
4 years ago
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<title>Strings (The Red Hat newlib C Library)</title>
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<meta name="description" content="Strings (The Red Hat newlib C Library)">
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<meta name="keywords" content="Strings (The Red Hat newlib C Library)">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Document-Index.html#Document-Index" rel="index" title="Document Index">
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<link href="Document-Index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="index.html#Top" rel="up" title="Top">
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<link href="bcmp.html#bcmp" rel="next" title="bcmp">
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<body lang="en">
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<a name="Strings"></a>
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<div class="header">
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<p>
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Next: <a href="Wchar-strings.html#Wchar-strings" accesskey="n" rel="next">Wchar strings</a>, Previous: <a href="Stdio.html#Stdio" accesskey="p" rel="prev">Stdio</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Strings-and-Memory-_0028string_002eh_0029"></a>
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<h2 class="chapter">5 Strings and Memory (<samp>string.h</samp>)</h2>
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<p>This chapter describes string-handling functions and functions for
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managing areas of memory. The corresponding declarations are in
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<samp>string.h</samp>.
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</p>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• <a href="bcmp.html#bcmp" accesskey="1">bcmp</a>:</td><td> </td><td align="left" valign="top">Compare two memory areas
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</td></tr>
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<tr><td align="left" valign="top">• <a href="bcopy.html#bcopy" accesskey="2">bcopy</a>:</td><td> </td><td align="left" valign="top">Copy memory regions
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</td></tr>
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<tr><td align="left" valign="top">• <a href="bzero.html#bzero" accesskey="3">bzero</a>:</td><td> </td><td align="left" valign="top">Initialize memory to zero
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</td></tr>
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<tr><td align="left" valign="top">• <a href="index.html#index" accesskey="4">index</a>:</td><td> </td><td align="left" valign="top">Search for character in string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="memccpy.html#memccpy" accesskey="5">memccpy</a>:</td><td> </td><td align="left" valign="top">Copy memory regions up to end-token
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</td></tr>
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<tr><td align="left" valign="top">• <a href="memchr.html#memchr" accesskey="6">memchr</a>:</td><td> </td><td align="left" valign="top">Find character in memory
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</td></tr>
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<tr><td align="left" valign="top">• <a href="memcmp.html#memcmp" accesskey="7">memcmp</a>:</td><td> </td><td align="left" valign="top">Compare two memory areas
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</td></tr>
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<tr><td align="left" valign="top">• <a href="memcpy.html#memcpy" accesskey="8">memcpy</a>:</td><td> </td><td align="left" valign="top">Copy memory regions
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</td></tr>
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<tr><td align="left" valign="top">• <a href="memmem.html#memmem" accesskey="9">memmem</a>:</td><td> </td><td align="left" valign="top">Find memory segment
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</td></tr>
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<tr><td align="left" valign="top">• <a href="memmove.html#memmove">memmove</a>:</td><td> </td><td align="left" valign="top">Move possibly overlapping memory
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</td></tr>
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<tr><td align="left" valign="top">• <a href="mempcpy.html#mempcpy">mempcpy</a>:</td><td> </td><td align="left" valign="top">Copy memory regions and locate end
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</td></tr>
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<tr><td align="left" valign="top">• <a href="memrchr.html#memrchr">memrchr</a>:</td><td> </td><td align="left" valign="top">Reverse search for character in memory
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</td></tr>
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<tr><td align="left" valign="top">• <a href="memset.html#memset">memset</a>:</td><td> </td><td align="left" valign="top">Set an area of memory
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</td></tr>
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<tr><td align="left" valign="top">• <a href="rawmemchr.html#rawmemchr">rawmemchr</a>:</td><td> </td><td align="left" valign="top">Find character in memory
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</td></tr>
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<tr><td align="left" valign="top">• <a href="rindex.html#rindex">rindex</a>:</td><td> </td><td align="left" valign="top">Reverse search for character in string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="stpcpy.html#stpcpy">stpcpy</a>:</td><td> </td><td align="left" valign="top">Copy string returning a pointer to its end
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</td></tr>
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<tr><td align="left" valign="top">• <a href="stpncpy.html#stpncpy">stpncpy</a>:</td><td> </td><td align="left" valign="top">Counted copy string returning a pointer to its end
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strcasecmp.html#strcasecmp">strcasecmp</a>:</td><td> </td><td align="left" valign="top">Compare strings ignoring case
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strcasestr.html#strcasestr">strcasestr</a>:</td><td> </td><td align="left" valign="top">Find string segment ignoring case
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strcat.html#strcat">strcat</a>:</td><td> </td><td align="left" valign="top">Concatenate strings
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strchr.html#strchr">strchr</a>:</td><td> </td><td align="left" valign="top">Search for character in string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strchrnul.html#strchrnul">strchrnul</a>:</td><td> </td><td align="left" valign="top">Search for character in string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strcmp.html#strcmp">strcmp</a>:</td><td> </td><td align="left" valign="top">Character string compare
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strcoll.html#strcoll">strcoll</a>:</td><td> </td><td align="left" valign="top">Locale-specific character string compare
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strcpy.html#strcpy">strcpy</a>:</td><td> </td><td align="left" valign="top">Copy string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strcspn.html#strcspn">strcspn</a>:</td><td> </td><td align="left" valign="top">Count chars not in string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strerror.html#strerror">strerror</a>:</td><td> </td><td align="left" valign="top">Convert error number to string (strerror, strerror_l)
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strerror_005fr.html#strerror_005fr">strerror_r</a>:</td><td> </td><td align="left" valign="top">Convert error number to string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strlen.html#strlen">strlen</a>:</td><td> </td><td align="left" valign="top">Character string length
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strlwr.html#strlwr">strlwr</a>:</td><td> </td><td align="left" valign="top">Convert string to lowercase
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strncasecmp.html#strncasecmp">strncasecmp</a>:</td><td> </td><td align="left" valign="top">Compare strings ignoring case
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strncat.html#strncat">strncat</a>:</td><td> </td><td align="left" valign="top">Concatenate strings
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strncmp.html#strncmp">strncmp</a>:</td><td> </td><td align="left" valign="top">Character string compare
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strncpy.html#strncpy">strncpy</a>:</td><td> </td><td align="left" valign="top">Counted copy string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strnstr.html#strnstr">strnstr</a>:</td><td> </td><td align="left" valign="top">Find string segment
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strnlen.html#strnlen">strnlen</a>:</td><td> </td><td align="left" valign="top">Character string length
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strpbrk.html#strpbrk">strpbrk</a>:</td><td> </td><td align="left" valign="top">Find chars in string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strrchr.html#strrchr">strrchr</a>:</td><td> </td><td align="left" valign="top">Reverse search for character in string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strsignal.html#strsignal">strsignal</a>:</td><td> </td><td align="left" valign="top">Return signal message string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strspn.html#strspn">strspn</a>:</td><td> </td><td align="left" valign="top">Find initial match
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strstr.html#strstr">strstr</a>:</td><td> </td><td align="left" valign="top">Find string segment
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strtok.html#strtok">strtok</a>:</td><td> </td><td align="left" valign="top">Get next token from a string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strupr.html#strupr">strupr</a>:</td><td> </td><td align="left" valign="top">Convert string to upper case
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strverscmp.html#strverscmp">strverscmp</a>:</td><td> </td><td align="left" valign="top">Compare version strings
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</td></tr>
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<tr><td align="left" valign="top">• <a href="strxfrm.html#strxfrm">strxfrm</a>:</td><td> </td><td align="left" valign="top">Transform string
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</td></tr>
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<tr><td align="left" valign="top">• <a href="swab.html#swab">swab</a>:</td><td> </td><td align="left" valign="top">Swap adjacent bytes
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</td></tr>
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<tr><td align="left" valign="top">• <a href="wcscasecmp.html#wcscasecmp">wcscasecmp</a>:</td><td> </td><td align="left" valign="top">Compare wide character strings ignoring case
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</td></tr>
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<tr><td align="left" valign="top">• <a href="wcsdup.html#wcsdup">wcsdup</a>:</td><td> </td><td align="left" valign="top">Wide character string duplicate
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</td></tr>
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<tr><td align="left" valign="top">• <a href="wcsncasecmp.html#wcsncasecmp">wcsncasecmp</a>:</td><td> </td><td align="left" valign="top">Compare wide character strings ignoring case
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</td></tr>
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</table>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Wchar-strings.html#Wchar-strings" accesskey="n" rel="next">Wchar strings</a>, Previous: <a href="Stdio.html#Stdio" accesskey="p" rel="prev">Stdio</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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</body>
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</html>
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