time Function - C Date/Time FUnctions

Purpose

This function returns the number of seconds since January 1, 1970.

Header File

time.h

Prototype

time_t time (time_t * Value);

Argument

*Value
: (output) The number of seconds since January 1, 1970.

Return Value


: The number of seconds since January 1, 1970.

Example

#include <stdio.h>
#include <time.h>

int main () {
  time_t Now;
  Now = time (NULL);
  printf ("The current time, in seconds since January 1, 1970, is %i.\n", 
          Now);
  Now = time (&Now);
  printf ("The current time, in seconds since January 1, 1970, is %i.\n", 
          Now);
  time (&Now);
  printf ("The current time, in seconds since January 1, 1970, is %i.\n", 
          Now);
  return 0;
}

Output

The current time, in seconds since January 1, 1970, is 1194673903.
The current time, in seconds since January 1, 1970, is 1194673903.
The current time, in seconds since January 1, 1970, is 1194673903.