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difftime(3C)
computes the difference between two calendar times
From the original Amiga UNIX 2.1 manual. Some things it mentions may not be in this release.
NAME
difftime - computes the difference between two calendar times
SYNOPSIS
#include <time.h>
double difftime (time _ t time1, time _ t time0); DESCRIPTION
difftime computes the difference between two calendar times. difftime returns the difference (time1 -time0 ) expressed in seconds as a double . This function is provided because there are no general arithmetic properties defined for type time _ t .
SEE ALSO
ctime (3C)
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