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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title><fmtmsg.h></title></head><body bgcolor=white><center><font size=2>The Single UNIX ® Specification, Version 2<br>Copyright © 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_005_128"> </a>NAME</h4><blockquote>fmtmsg.h - message display structures</blockquote><h4><a name = "tag_000_005_129"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <fmtmsg.h></code></pre></blockquote><h4><a name = "tag_000_005_130"> </a>DESCRIPTION</h4><blockquote>The<i><fmtmsg.h></i>header defines the following macros, which expand to constant integralexpressions:<dl compact><dt>MM_HARD<dd>Source of the condition is hardware.<dt>MM_SOFT<dd>Source of the condition is software.<dt>MM_FIRM<dd>Source of the condition is firmware.<dt>MM_APPL<dd>Condition detected by application.<dt>MM_UTIL<dd>Condition detected by utility.<dt>MM_OPSYS<dd>Condition detected by operating system.<dt>MM_RECOVER<dd>Recoverable error.<dt>MM_NRECOV<dd>Non-recoverable error.<dt>MM_HALT<dd>Error causing application to halt.<dt>MM_ERROR<dd>Application has encountered a non-fatal fault.<dt>MM_WARNING<dd>Application has detected unusual non-error condition.<dt>MM_INFO<dd>Informative message.<dt>MM_NOSEV<dd>No severity level provided for the message.<dt>MM_PRINT<dd>Display message on standard error.<dt>MM_CONSOLE<dd>Display message on system console.</dl><p>The table below indicates the null values and identifiers for<i><a href="fmtmsg.html">fmtmsg()</a></i>arguments. The<i><fmtmsg.h></i>header defines the macros in the<b>Identifier</b>column, which expand to constantexpressions that expand to expressions of the type indicated in the<b>Type</b>column:<p><table bordercolor=#000000 border=1 align=center><tr valign=top><th align=center><b>Argument</b><th align=center><b>Type</b><th align=center><b>Null-Value</b><th align=center><b>Identifier</b><tr valign=top><td align=left><i>label</i><td align=left><b>char*</b><td align=left>(<b>char</b>*)0<td align=left>MM_NULLLBL<tr valign=top><td align=left><i>severity</i><td align=left><b>int</b><td align=left>0<td align=left>MM_NULLSEV<tr valign=top><td align=left><i>class</i><td align=left><b>long int</b><td align=left><b>0L</b><td align=left>MM_NULLMC<tr valign=top><td align=left><i>text</i><td align=left><b>char*</b><td align=left>(<b>char*</b>)0<td align=left>MM_NULLTXT<tr valign=top><td align=left><i>action</i><td align=left><b>char*</b><td align=left>(<b>char*</b>)0<td align=left>MM_NULLACT<tr valign=top><td align=left><i>tag</i><td align=left><b>char*</b><td align=left>(<b>char*</b>)0<td align=left>MM_NULLTAG</table><p>The<i><fmtmsg.h></i>header also defines the following macros for use as return values for<i><a href="fmtmsg.html">fmtmsg()</a></i>:<dl compact><dt>MM_OK<dd>The function succeeded.<dt>MM_NOTOK<dd>The function failed completely.<dt>MM_NOMSG<dd>The function was unable to generate a message on standard error,but otherwise succeeded.<dt>MM_NOCON<dd>The function was unable to generate a console message,but otherwise succeeded.</dl><p>The following is declared as a function and may also be defined as a macro.A function prototype must be provided for use with an ISO Ccompiler.<pre><code>int <a href="fmtmsg.html">fmtmsg</a>(long, const char*, int, const char*, const char*, const char*);</code></pre></blockquote><h4><a name = "tag_000_005_131"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_005_132"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_005_133"> </a>SEE ALSO</h4><blockquote><i><a href="fmtmsg.html">fmtmsg()</a></i>.</blockquote><hr size=2 noshade><center><font size=2>UNIX ® is a registered Trademark of The Open Group.<br>Copyright © 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>⌨️ 快捷键说明
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