PC Extra Super CD 1998 January/PCPLUS131.iso/DJGPP/V2/DJLSR201.ZIP/src/libc/ansi/time/difftime.txh

Text File | 1995-07-10 | 454 b | 30 lines

@node difftime, time
@subheading Syntax

@example
#include <time.h>

double difftime(time_t t1, time_t t0);
@end example

@subheading Description

This function returns the difference in time, in seconds, from @var{t0}
to @var{t1}.

@subheading Return Value

The number of seconds.

@subheading Example

@example
time_t t1, t0;
double elapsed;
time(&t0);
do_something();
time(&t1);
elapsed = difftime(t1, t0);
@end example