blob: d2fa69c0a91e196b80e8db8e11ac47cd45ebabcd [file]
<html lang="en">
<head>
<title>Stdlib - Untitled</title>
<meta http-equiv="Content-Type" content="text/html">
<meta name="description" content="Untitled">
<meta name="generator" content="makeinfo 4.13">
<link title="Top" rel="start" href="index.html#Top">
<link rel="prev" href="Introduction.html#Introduction" title="Introduction">
<link rel="next" href="Ctype.html#Ctype" title="Ctype">
<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
<meta http-equiv="Content-Style-Type" content="text/css">
<style type="text/css"><!--
pre.display { font-family:inherit }
pre.format { font-family:inherit }
pre.smalldisplay { font-family:inherit; font-size:smaller }
pre.smallformat { font-family:inherit; font-size:smaller }
pre.smallexample { font-size:smaller }
pre.smalllisp { font-size:smaller }
span.sc { font-variant:small-caps }
span.roman { font-family:serif; font-weight:normal; }
span.sansserif { font-family:sans-serif; font-weight:normal; }
--></style>
</head>
<body>
<div class="node">
<a name="Stdlib"></a>
<p>
Next:&nbsp;<a rel="next" accesskey="n" href="Ctype.html#Ctype">Ctype</a>,
Previous:&nbsp;<a rel="previous" accesskey="p" href="Introduction.html#Introduction">Introduction</a>,
Up:&nbsp;<a rel="up" accesskey="u" href="index.html#Top">Top</a>
<hr>
</div>
<h2 class="chapter">2 Standard Utility Functions (<samp><span class="file">stdlib.h</span></samp>)</h2>
<p>This chapter groups utility functions useful in a variety of programs.
The corresponding declarations are in the header file <samp><span class="file">stdlib.h</span></samp>.
<ul class="menu">
<li><a accesskey="1" href="_005fExit.html#g_t_005fExit">_Exit</a>: End program execution without cleaning up
<li><a accesskey="2" href="a64l.html#a64l">a64l</a>: String to long long
<li><a accesskey="3" href="abort.html#abort">abort</a>: Abnormal termination of a program
<li><a accesskey="4" href="abs.html#abs">abs</a>: Integer absolute value (magnitude)
<li><a accesskey="5" href="assert.html#assert">assert</a>: Macro for Debugging Diagnostics
<li><a accesskey="6" href="atexit.html#atexit">atexit</a>: Request execution of functions at program exit
<li><a accesskey="7" href="atof.html#atof">atof</a>: String to double or float
<li><a accesskey="8" href="atoi.html#atoi">atoi</a>: String to integer
<li><a accesskey="9" href="atoll.html#atoll">atoll</a>: String to long long
<li><a href="bsearch.html#bsearch">bsearch</a>: Binary search
<li><a href="calloc.html#calloc">calloc</a>: Allocate space for arrays
<li><a href="div.html#div">div</a>: Divide two integers
<li><a href="ecvtbuf.html#ecvtbuf">ecvtbuf</a>: Double or float to string of digits
<li><a href="ecvt.html#ecvt">ecvt</a>: Double or float to string of digits (malloc result)
<li><a href="_005f_005fenv_005flock.html#g_t_005f_005fenv_005flock">__env_lock</a>: Lock environment list for getenv and setenv
<li><a href="gvcvt.html#gvcvt">gvcvt</a>: Format double or float as string
<li><a href="exit.html#exit">exit</a>: End program execution
<li><a href="getenv.html#getenv">getenv</a>: Look up environment variable
<li><a href="labs.html#labs">labs</a>: Long integer absolute value (magnitude)
<li><a href="ldiv.html#ldiv">ldiv</a>: Divide two long integers
<li><a href="llabs.html#llabs">llabs</a>: Long long integer absolute value (magnitude)
<li><a href="lldiv.html#lldiv">lldiv</a>: Divide two long long integers
<li><a href="malloc.html#malloc">malloc</a>: Allocate and manage memory (malloc, realloc, free)
<li><a href="mallinfo.html#mallinfo">mallinfo</a>: Get information about allocated memory
<li><a href="_005f_005fmalloc_005flock.html#g_t_005f_005fmalloc_005flock">__malloc_lock</a>: Lock memory pool for malloc and free
<li><a href="mbsrtowcs.html#mbsrtowcs">mbsrtowcs</a>: Convert a character string to a wide-character string
<li><a href="mbstowcs.html#mbstowcs">mbstowcs</a>: Minimal multibyte string to wide string converter
<li><a href="mblen.html#mblen">mblen</a>: Minimal multibyte length
<li><a href="mbtowc.html#mbtowc">mbtowc</a>: Minimal multibyte to wide character converter
<li><a href="on_005fexit.html#on_005fexit">on_exit</a>: Request execution of functions at program exit
<li><a href="qsort.html#qsort">qsort</a>: Array sort
<li><a href="rand.html#rand">rand</a>: Pseudo-random numbers
<li><a href="rand48.html#rand48">rand48</a>: Uniformly distributed pseudo-random numbers
<li><a href="strtod.html#strtod">strtod</a>: String to double or float
<li><a href="strtol.html#strtol">strtol</a>: String to long
<li><a href="strtoll.html#strtoll">strtoll</a>: String to long long
<li><a href="strtoul.html#strtoul">strtoul</a>: String to unsigned long
<li><a href="strtoull.html#strtoull">strtoull</a>: String to unsigned long long
<li><a href="wcsrtombs.html#wcsrtombs">wcsrtombs</a>: Convert a wide-character string to a character string
<li><a href="wcstod.html#wcstod">wcstod</a>: Wide string to double or float
<li><a href="wcstol.html#wcstol">wcstol</a>: Wide string to long
<li><a href="wcstoll.html#wcstoll">wcstoll</a>: Wide string to long long
<li><a href="wcstoul.html#wcstoul">wcstoul</a>: Wide string to unsigned long
<li><a href="wcstoull.html#wcstoull">wcstoull</a>: Wide string to unsigned long long
<li><a href="system.html#system">system</a>: Execute command string
<li><a href="wcstombs.html#wcstombs">wcstombs</a>: Minimal wide string to multibyte string converter
<li><a href="wctomb.html#wctomb">wctomb</a>: Minimal wide character to multibyte converter
</ul>
</body></html>