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<h1>ctype.h File Reference</h1><table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2dffc93760775ef4aee5b3c83d92108c"></a><!-- doxytag: member="ctype.h::__CTYPE_H_" ref="a2dffc93760775ef4aee5b3c83d92108c" args="" -->
#define </td><td class="memItemRight" valign="bottom"><b>__CTYPE_H_</b> 1</td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Character classification routines</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp3cffbf32c02a5073ab67ade732f94ffb"></a> These functions perform character classification. They return true or false status depending whether the character passed to the function falls into the function's classification (i.e. <a class="el" href="group__ctype.html#ga49b21b266576c2490dab1e8f897c801a">isdigit()</a> returns true if its argument is any value '0' though '9', inclusive). If the input is not an unsigned char value, all of this function return false. </p>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#gae62f8f9e20430c822d07697b277c5de7">isalnum</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga66e77eea7376ce0c1e00223f45d0aba9">isalpha</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga41f2d44607ddcc15266bd63cb8e563c4">isascii</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#gad1a49aed816573f1b5787176f5ec701e">isblank</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga659606df93739b0193c9e98df2953ae0">iscntrl</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga49b21b266576c2490dab1e8f897c801a">isdigit</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#gae89269f754744bbd5486788d06e0c7c9">isgraph</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#gae293e218972b626f6304aecbae044ef6">islower</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#gaa2ded03e3a0d8f5ef2a8df3e834e916d">isprint</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#gaa46e128f7550afb4f2cda133594cb4b6">ispunct</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga16e58710aba8108549a1a3c33691b24e">isspace</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga125dbbabac1caef46a0c6dad060a79d1">isupper</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga04826722a22243889683efde883e8ab3">isxdigit</a> (int __c)</td></tr>
<tr><td colspan="2"><div class="groupHeader">Character convertion routines</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp4d241bbe011b857da7f54c9d3d4edf40"></a> This realization permits all possible values of integer argument. The <a class="el" href="group__ctype.html#ga21d5ec3792b2704ecca5778b758dd91f">toascii()</a> function clears all highest bits. The <a class="el" href="group__ctype.html#ga9ba1fce7148e9b63ca6296e02c79bedd">tolower()</a> and <a class="el" href="group__ctype.html#ga924ed052807e23cfa160d5f171cf5e2a">toupper()</a> functions return an input argument as is, if it is not an unsigned char value. </p>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga21d5ec3792b2704ecca5778b758dd91f">toascii</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga9ba1fce7148e9b63ca6296e02c79bedd">tolower</a> (int __c)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ctype.html#ga924ed052807e23cfa160d5f171cf5e2a">toupper</a> (int __c)</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
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<p><center>Automatically generated by Doxygen 1.6.1 on 30 Nov 2009.</center></p>
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