sandbox.c

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

#define SIZE 256

int 
main(int argc, char* argv[])
{
  time_t curtime;
  struct tm *gtime;
  char buffer[SIZE];
  curtime = time(NULL);
  gtime = gmtime(&curtime);
  printf("GMT time in standard format: ");
  fputs(asctime(gtime), stdout);
  strftime(buffer, SIZE, "\nGMT time in ISO format : %Y-%m-%dT%H:%M:%S\n", gtime);
  fputs(buffer, stdout);

  return 0;
}