515 lines
33 KiB
HTML
515 lines
33 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
|
|
<head><meta http-equiv="x-ua-compatible" content="ie=edge">
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
|
<title>标准库头文件 <cstdint></title>
|
|
<link rel="stylesheet" href="ext.css" />
|
|
<link rel="stylesheet" href="site_modules.css" />
|
|
</head>
|
|
<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_header_cstdint skin-cppreference2 action-view cpp-navbar">
|
|
<div id="cpp-content-base">
|
|
<div id="content"><a id="top"></a>
|
|
<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">标准库头文件</span> <cstdint></h1>
|
|
<div id="bodyContent">
|
|
<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-header.html">header</a></span></div>
|
|
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
|
|
<p>此头文件原作为 <code><b><stdint.h></b></code> 存在于 C 标准库。</p>
|
|
<p>此头文件是<a href="cpp-types.html">类型支持</a>库的一部分，提供<a href="cpp-types-integer.html">定宽整数类型</a>和部分 <a href="cpp-types-climits.html">C 数值极限接口</a>。</p>
|
|
<h3><span class="mw-headline" id=".E7.B1.BB.E5.9E.8B">类型</span></h3>
|
|
<table class="t-dsc-begin">
|
|
<tr class="t-dsc-header">
|
|
<td colspan="2">
|
|
<div>定义于头文件 <code><strong class="selflink"><cstdint></strong></code></div>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>int8_t</span><span>int16_t</span><span>int32_t</span><span>int64_t</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>分别为宽度恰为 8、16、32 和 64 位的有符号整数类型<br />
|
|
无填充位并对负值使用补码<br />
|
|
（仅若实现支持该类型才提供）<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>int_fast8_t</span><span>int_fast16_t</span><span>int_fast32_t</span><span>int_fast64_t</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>分别为宽度至少有 8、16、32 和 64 位的最快的有符号整数类型<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>int_least8_t</span><span>int_least16_t</span><span>int_least32_t</span><span>int_least64_t</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>分别为宽度至少有 8、16、32 和 64 位的最小的有符号整数类型<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>intmax_t</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>最大宽度的有符号整数类型<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>intptr_t</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>足以保有指针的有符号整数类型<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>uint8_t</span><span>uint16_t</span><span>uint32_t</span><span>uint64_t</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>宽度恰为 8、16、32 和 64 位的无符号整数类型<br />
|
|
（仅若实现支持该类型才提供）<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>uint_fast8_t</span><span>uint_fast16_t</span><span>uint_fast32_t</span><span>uint_fast64_t</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>分别为宽度至少有 8、16、32 和 64 位的最快无符号整数类型<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>uint_least8_t</span><span>uint_least16_t</span><span>uint_least32_t</span><span>uint_least64_t</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>分别为宽度至少有 8、16、32 和 64 位的最小无符号整数类型<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>uintmax_t</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>最大宽度的无符号整数类型<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>uintptr_t</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>足以保有指针的无符号整数类型<br />
|
|
<span class="t-mark">(typedef)</span></td>
|
|
</tr>
|
|
</table>
|
|
<h3><span class="mw-headline" id=".E5.AE.8F">宏</span></h3>
|
|
<table class="t-dsc-begin">
|
|
<tr class="t-dsc-header">
|
|
<td colspan="2">
|
|
<div>定义于头文件 <code><strong class="selflink"><cstdint></strong></code></div>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.9C.89.E7.AC.A6.E5.8F.B7.E6.95.B4.E6.95.B0.EF.BC.9A.E6.9C.80.E5.B0.8F.E5.80.BC">有符号整数：最小值</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INT8_MIN</span><span>INT16_MIN</span><span>INT32_MIN</span><span>INT64_MIN</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">int8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int64_t</span></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INT_FAST8_MIN</span><span>INT_FAST16_MIN</span><span>INT_FAST32_MIN</span><span>INT_FAST64_MIN</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">int_fast8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_fast16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_fast32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_fast64_t</span></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INT_LEAST8_MIN</span><span>INT_LEAST16_MIN</span><span>INT_LEAST32_MIN</span><span>INT_LEAST64_MIN</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">int_least8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least64_t</span></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INTPTR_MIN</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">intptr_t</span></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INTMAX_MIN</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">intmax_t</span></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.9C.89.E7.AC.A6.E5.8F.B7.E6.95.B4.E6.95.B0.EF.BC.9A.E6.9C.80.E5.A4.A7.E5.80.BC">有符号整数：最大值</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INT8_MAX</span><span>INT16_MAX</span><span>INT32_MAX</span><span>INT64_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">int8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int64_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INT_FAST8_MAX</span><span>INT_FAST16_MAX</span><span>INT_FAST32_MAX</span><span>INT_FAST64_MAX</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">int_fast8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_fast16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_fast32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_fast64_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INT_LEAST8_MAX</span><span>INT_LEAST16_MAX</span><span>INT_LEAST32_MAX</span><span>INT_LEAST64_MAX</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">int_least8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least64_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INTPTR_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">intptr_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INTMAX_MAX</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">intmax_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.97.A0.E7.AC.A6.E5.8F.B7.E6.95.B4.E6.95.B0.EF.BC.9A.E6.9C.80.E5.A4.A7.E5.80.BC">无符号整数：最大值</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>UINT8_MAX</span><span>UINT16_MAX</span><span>UINT32_MAX</span><span>UINT64_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">uint8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint64_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>UINT_FAST8_MAX</span><span>UINT_FAST16_MAX</span><span>UINT_FAST32_MAX</span><span>UINT_FAST64_MAX</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">uint_fast8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_fast16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_fast32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_fast64_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>UINT_LEAST8_MAX</span><span>UINT_LEAST16_MAX</span><span>UINT_LEAST32_MAX</span><span>UINT_LEAST64_MAX</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">uint_least8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_least16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_least32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_least64_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>UINTPTR_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark">(可选)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">uintptr_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>UINTMAX_MAX</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">uintmax_t</span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E5.85.B6.E4.BB.96.E6.95.B4.E6.95.B0.E7.B1.BB.E5.9E.8B.E7.9A.84.E6.9E.81.E9.99.90">其他整数类型的极限</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>PTRDIFF_MIN</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-lc"><a href="cpp-types-ptrdiff_t.html">std::ptrdiff_t</a></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>PTRDIFF_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-lc"><a href="cpp-types-ptrdiff_t.html">std::ptrdiff_t</a></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>SIZE_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-lc"><a href="cpp-types-size_t.html">std::size_t</a></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>SIG_ATOMIC_MIN</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-lc"><a href="cpp-utility-program-sig_atomic_t.html">std::sig_atomic_t</a></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>SIG_ATOMIC_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-lc"><a href="cpp-utility-program-sig_atomic_t.html">std::sig_atomic_t</a></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>WCHAR_MIN</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">wchar_t</span></span></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>WCHAR_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">wchar_t</span></span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>WINT_MIN</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">wint_t</span></span></span> 类型对象的最小值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>WINT_MAX</span></span></div>
|
|
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
|
|
</div>
|
|
</td>
|
|
<td><span class="t-c"><span class="mw-geshi cpp source-cpp">std<span class="sy4">::</span><span class="me2">wint_t</span></span></span> 类型对象的最大值<br />
|
|
<span class="t-mark">(宏常量)</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2">
|
|
<h5><span class="mw-headline" id=".E6.95.B4.E6.95.B0.E5.B8.B8.E9.87.8F.E7.9A.84.E5.87.BD.E6.95.B0.E5.AE.8F">整数常量的函数宏</span></h5>
|
|
</td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INT8_C</span><span>INT16_C</span><span>INT32_C</span><span>INT64_C</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>展开成拥有其实参所指定的值且类型分别为 <span class="t-c"><span class="mw-geshi cpp source-cpp">int_least8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">int_least64_t</span></span> 的<a href="cpp-language-implicit_conversion.html#.E6.95.B4.E5.9E.8B.E6.8F.90.E5.8D.87">提升</a>类型的整数常量表达式<br />
|
|
<span class="t-mark">(宏函数)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>INTMAX_C</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>展开成拥有其实参所指定的值且类型为 <span class="t-c"><span class="mw-geshi cpp source-cpp">intmax_t</span></span> 的整数常量表达式<br />
|
|
<span class="t-mark">(宏函数)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>UINT8_C</span><span>UINT16_C</span><span>UINT32_C</span><span>UINT64_C</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>展开成拥有其实参所指定的值且类型分别为 <span class="t-c"><span class="mw-geshi cpp source-cpp">uint_least8_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_least16_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_least32_t</span></span>、<span class="t-c"><span class="mw-geshi cpp source-cpp">uint_least64_t</span></span> 的<a href="cpp-language-implicit_conversion.html#.E6.95.B4.E5.9E.8B.E6.8F.90.E5.8D.87">提升</a>类型的整数常量表达式<br />
|
|
<span class="t-mark">(宏函数)</span></td>
|
|
</tr>
|
|
<tr class="t-dsc">
|
|
<td>
|
|
<div class="t-dsc-member-div">
|
|
<div><span class="t-lines"><span>UINTMAX_C</span></span></div>
|
|
</div>
|
|
</td>
|
|
<td>展开成拥有其实参所指定的值且类型为 <span class="t-c"><span class="mw-geshi cpp source-cpp">uintmax_t</span></span> 的整数常量表达式<br />
|
|
<span class="t-mark">(宏函数)</span></td>
|
|
</tr>
|
|
</table>
|
|
<h3><span class="mw-headline" id=".E6.A6.82.E8.A6.81">概要</span></h3>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="cpp source-cpp">
|
|
<pre class="de1"><span class="kw1">namespace</span> std <span class="br0">{</span>
|
|
<span class="kw1">using</span> int8_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="kw1">using</span> int16_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="kw1">using</span> int32_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="kw1">using</span> int64_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="kw1">using</span> intN_t <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 可选，见描述</span>
|
|
|
|
<span class="kw1">using</span> int_fast8_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> int_fast16_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> int_fast32_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> int_fast64_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> int_fastN_t <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 可选，见描述</span>
|
|
|
|
<span class="kw1">using</span> int_least8_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> int_least16_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> int_least32_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> int_least64_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> int_leastN_t <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 可选，见描述</span>
|
|
|
|
<span class="kw1">using</span> intmax_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> intptr_t <span class="sy1">=</span> <span class="coMULTI">/* 有符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
|
|
<span class="kw1">using</span> uint8_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="kw1">using</span> uint16_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="kw1">using</span> uint32_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="kw1">using</span> uint64_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="kw1">using</span> uintN_t <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 可选，见描述</span>
|
|
|
|
<span class="kw1">using</span> uint_fast8_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uint_fast16_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uint_fast32_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uint_fast64_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uint_fastN_t <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 可选，见描述</span>
|
|
|
|
<span class="kw1">using</span> uint_least8_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uint_least16_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uint_least32_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uint_least64_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uint_leastN_t <span class="sy1">=</span> <span class="coMULTI">/* 见描述 */</span><span class="sy4">;</span> <span class="co1">// 可选，见描述</span>
|
|
|
|
<span class="kw1">using</span> uintmax_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span>
|
|
<span class="kw1">using</span> uintptr_t <span class="sy1">=</span> <span class="coMULTI">/* 无符号整数类型 */</span><span class="sy4">;</span> <span class="co1">// 可选</span>
|
|
<span class="br0">}</span>
|
|
|
|
<span class="co2">#define INTN_MIN /* 见描述 */</span>
|
|
<span class="co2">#define INTN_MAX /* 见描述 */</span>
|
|
<span class="co2">#define UINTN_MAX /* 见描述 */</span>
|
|
|
|
<span class="co2">#define INT_FASTN_MIN /* 见描述 */</span>
|
|
<span class="co2">#define INT_FASTN_MAX /* 见描述 */</span>
|
|
<span class="co2">#define UINT_FASTN_MAX /* 见描述 */</span>
|
|
|
|
<span class="co2">#define INT_LEASTN_MIN /* 见描述 */</span>
|
|
<span class="co2">#define INT_LEASTN_MAX /* 见描述 */</span>
|
|
<span class="co2">#define UINT_LEASTN_MAX /* 见描述 */</span>
|
|
|
|
<span class="co2">#define INTMAX_MIN /* 见描述 */</span>
|
|
<span class="co2">#define INTMAX_MAX /* 见描述 */</span>
|
|
<span class="co2">#define UINTMAX_MAX /* 见描述 */</span>
|
|
|
|
<span class="co2">#define INTPTR_MIN /* 见描述 */ // 可选</span>
|
|
<span class="co2">#define INTPTR_MAX /* 见描述 */ // 可选</span>
|
|
<span class="co2">#define UINTPTR_MAX /* 见描述 */ // 可选</span>
|
|
|
|
<span class="co2">#define PTRDIFF_MIN /* 见描述 */</span>
|
|
<span class="co2">#define PTRDIFF_MAX /* 见描述 */</span>
|
|
<span class="co2">#define SIZE_MAX /* 见描述 */</span>
|
|
|
|
<span class="co2">#define SIG_ATOMIC_MIN /* 见描述 */</span>
|
|
<span class="co2">#define SIG_ATOMIC_MAX /* 见描述 */</span>
|
|
|
|
<span class="co2">#define WCHAR_MIN /* 见描述 */</span>
|
|
<span class="co2">#define WCHAR_MAX /* 见描述 */</span>
|
|
|
|
<span class="co2">#define WINT_MIN /* 见描述 */</span>
|
|
<span class="co2">#define WINT_MAX /* 见描述 */</span>
|
|
|
|
<span class="co2">#define INTN_C(value) /* 见描述 */</span>
|
|
<span class="co2">#define UINTN_C(value) /* 见描述 */</span>
|
|
<span class="co2">#define INTMAX_C(value) /* 见描述 */</span>
|
|
<span class="co2">#define UINTMAX_C(value) /* 见描述 */</span></pre></div>
|
|
</div>
|
|
</div>
|
|
<div class="visualClear"></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|