DIFFTIME(3C)DIFFTIME(3C)NAMEdifftime - computes the difference between two calendar times
SYNOPSIS
#include <time.h>
double difftime(time_t time1, time_t time0);
DESCRIPTION
The difftime() function computes the difference between two calendar
times.
RETURN VALUES
The difftime() functions returns the difference (time1-time0) expressed
in seconds as a double.
USAGE
The difftime() function is provided because there are no general arith‐
metic properties defined for type time_t.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌────────────────────┬─────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├────────────────────┼─────────────────┤
│Interface Stability │ Standard │
├────────────────────┼─────────────────┤
│MT-Level │ MT-Safe │
└────────────────────┴─────────────────┘
SEE ALSOctime(3C), attributes(5), standards(5)
Jul 24, 2002 DIFFTIME(3C)