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<TITLE>sleep</TITLE>
<body bgcolor="#ffffcc">
<hr>
<pre>
<h3>SLEEP(3) Linux Programmer's Manual SLEEP(3)
</h3>
<h3>NAME
</h3> sleep - Sleep for the specified number of seconds
<h3>SYNOPSIS
</h3> #include <unistd.h>
unsigned int sleep(unsigned int seconds);
<h3>DESCRIPTION
</h3> sleep() makes the current process sleep until seconds sec-
onds have elapsed or a signal arrives which is not
ignored.
<h3>RETURN VALUE
</h3> Zero if the requested time has elapsed, or the number of
seconds left to sleep.
<h3>CONFORMS TO
</h3> POSIX.1
<h3>BUGS
</h3> sleep() may be implemented using SIGALRM; mixing calls to
alarm() and sleep() is a bad idea.
Using longjmp() from a signal handler or modifying the
handling of SIGALRM while sleeping will cause undefined
results.
</pre>
<hr>
<h3>SEE ALSO
</h3><p>
<a href=signal.htm>signal</a>,
<a href=alarm.htm>alarm</a>,
<pre>
<h3>GNU April 7, 1993 1
</h3>
</pre>
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