sl

来自「Algorithms for Image Processing and Comp」· 代码 · 共 26 行

@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