1<html lang="en"> 2<head> 3<title>psignal - Untitled</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Untitled"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Signals.html#Signals" title="Signals"> 9<link rel="next" href="raise.html#raise" title="raise"> 10<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 11<meta http-equiv="Content-Style-Type" content="text/css"> 12<style type="text/css"><!-- 13 pre.display { font-family:inherit } 14 pre.format { font-family:inherit } 15 pre.smalldisplay { font-family:inherit; font-size:smaller } 16 pre.smallformat { font-family:inherit; font-size:smaller } 17 pre.smallexample { font-size:smaller } 18 pre.smalllisp { font-size:smaller } 19 span.sc { font-variant:small-caps } 20 span.roman { font-family:serif; font-weight:normal; } 21 span.sansserif { font-family:sans-serif; font-weight:normal; } 22--></style> 23<link rel="stylesheet" type="text/css" href="../cs.css"> 24</head> 25<body> 26<div class="node"> 27<a name="psignal"></a> 28<p> 29Next: <a rel="next" accesskey="n" href="raise.html#raise">raise</a>, 30Up: <a rel="up" accesskey="u" href="Signals.html#Signals">Signals</a> 31<hr> 32</div> 33 34<h3 class="section">7.1 <code>psignal</code>—print a signal message on standard error</h3> 35 36<p><a name="index-psignal-423"></a><strong>Synopsis</strong> 37<pre class="example"> #include <stdio.h> 38 void psignal(int <var>signal</var>, const char *<var>prefix</var>); 39 40</pre> 41 <p><strong>Description</strong><br> 42Use <code>psignal</code> to print (on standard error) a signal message 43corresponding to the value of the signal number <var>signal</var>. 44Unless you use <code>NULL</code> as the value of the argument <var>prefix</var>, the 45signal message will begin with the string at <var>prefix</var>, followed by a 46colon and a space (<code>: </code>). The remainder of the signal message is one 47of the strings described for <code>strsignal</code>. 48 49 <p><br> 50<strong>Returns</strong><br> 51<code>psignal</code> returns no result. 52 53 <p><br> 54<strong>Portability</strong><br> 55POSIX.1-2008 requires <code>psignal</code>, but the strings issued vary from one 56implementation to another. 57 58 <p>Supporting OS subroutines required: <code>close</code>, <code>fstat</code>, <code>isatty</code>, 59<code>lseek</code>, <code>read</code>, <code>sbrk</code>, <code>write</code>. 60 61 <p><br> 62 63 </body></html> 64 65