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@c ----------------------------------------------------------------------
@node sleep, process
@heading @code{sleep}
@subheading Syntax
@example
#include <osfcn.h>
unsigned sleep(unsigned seconds);
@end example
@subheading Description
This function causes the program to pause for @var{seconds} seconds.
@subheading Return Value
The number of seconds that haven't passed (i.e. always zero)
@subheading Example
@example
sleep(5);
@end example
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