stdstring.html
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<title>Standard C String & Character</title>
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<p class="MsoNormal"><span lang="EN-US">
<a href="stdstring_details.html#atof">atof()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; BACKGROUND: #eeeeff; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">将字符串转换成浮点数</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#atoi">atoi()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">将字符串转换成整数</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#atol">atol()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; BACKGROUND: #eeeeff; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">将字符串转换成长整型数</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#isalnum">isalnum()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当字母或数字字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#isalpha">isalpha()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; BACKGROUND: #eeeeff; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当字母字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#iscntrl">iscntrl()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当控制字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#isdigit">isdigit()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; BACKGROUND: #eeeeff; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当数字字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#isgraph">isgraph()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当非空格可打印字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#islower">islower()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; BACKGROUND: #eeeeff; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当小写字母字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#isprint">isprint()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当可打印字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
</td>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#ispunct">ispunct()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; BACKGROUND: #eeeeff; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当标点字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
</td>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#isspace">isspace()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当空格字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
</td>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; BACKGROUND: #eeeeff; PADDING-BOTTOM: 0.75pt; PADDING-TOP: 0.75pt">
<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#isupper">isupper()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; BACKGROUND: #eeeeff; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当大写字母字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
</td>
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<p class="MsoNormal"><span lang="EN-US"><a href="stdstring_details.html#isxdigit">isxdigit()</a></span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
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<td style="PADDING-RIGHT: 0.75pt; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; WIDTH: 318.35pt; PADDING-TOP: 0.75pt" width="424">
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当十六进制字符时</span><span lang="EN-US">,
</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">返回真值</span><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p>
</o:p>
</span></p>
</td>
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