time

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Header File

time.h

Category

Time and Date Routines

Prototype

time_t time(time_t *timer);

Description

Gets time of day.

time gives the current time, in seconds, elapsed since 00:00:00 GMT, January 1, 1970, and stores that value in the location pointed to by timer, provided that timer is not a NULL pointer.

Return Value

time returns the elapsed time in seconds.

Example

#include <time.h>
#include <stdio.h>
int main(void)
{
   time_t t;
   t = time(NULL);
   printf("The number of seconds since January 1, 1970 is %ld",t);
   return 0;
}

Portability

POSIX	Win32	ANSI C	ANSI C++
+	+	+	+