/* execl.c - run the ls command from a C program using execl
 * 2009.09.23 Neal Nelson
 *   Copied from Haviland & Salama, p91
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

main()
{ printf("Executing ls -lt using execl ...\n");
  execl("/bin/ls", "ls", "-lt", (char *) NULL);

  /* If execl returns, the call has failed */
  perror("execl failed to run ls");
  exit(1);
}