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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>catgets</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_001_359"> </a>NAME</h4><blockquote>catgets - read a program message</blockquote><h4><a name = "tag_000_001_360"> </a>SYNOPSIS</h4><blockquote><pre><code>#include <<a href="nl_types.h.html">nl_types.h</a>>char *catgets(nl_catd <i>catd</i>, int s<i>et_id</i>, int <i>msg_id</i>, const char *<i>s</i>);</code></pre></blockquote><h4><a name = "tag_000_001_361"> </a>DESCRIPTION</h4><blockquote>The<i>catgets()</i>function attempts to read message<i>msg_id</i>,in set<i>set_id</i>,from the message catalogue identified by<i>catd</i>.The<i>catd</i>argument is a message catalogue descriptor returned from an earlier call to<i><a href="catopen.html">catopen()</a></i>.The<i>s</i>argument points to a default message string which will be returned by<i>catgets()</i>if it cannot retrieve the identified message.<p>This interface need not be reentrant.</blockquote><h4><a name = "tag_000_001_362"> </a>RETURN VALUE</h4><blockquote>If the identified message is retrieved successfully,<i>catgets()</i>returns a pointer to an internal buffer area containing the null-terminatedmessage string. If the call is unsuccessful for any reason,<i>s</i>is returnedand <i>errno</i> may be set to indicate the error.</blockquote><h4><a name = "tag_000_001_363"> </a>ERRORS</h4><blockquote>The<i>catgets()</i>function may fail if:<dl compact><dt>[EBADF]<dd>The<i>catd</i>argument is not a valid message catalogue descriptor open for reading.<dt>[EINTR]<dd>The read operation was terminated due to the receiptof a signal, and no data was transferred.<dt>[EINVAL]<dd>The message catalog identified by <i>catd</i> is corrupted.<dt>[ENOMSG]<dd>The message identified by <i>set_id</i> and <i>msg_id</i>is not in the message catalog.</dl></blockquote><h4><a name = "tag_000_001_364"> </a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_000_001_365"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_001_366"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_001_367"> </a>SEE ALSO</h4><blockquote><i><a href="catclose.html">catclose()</a></i>,<i><a href="catopen.html">catopen()</a></i>,<i><a href="nl_types.h.html"><nl_types.h></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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