/* execv.c - run the ls command from a C program using execv
 * 2009.09.23 Neal Nelson
 *   Copied from Haviland & Salama, p93
 *
 */

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

main()
{ char *argv[3];

  argv[0] = "ls";
  argv[1] = "-lt";
  argv[2] = (char *)0;
  
  printf("Executing ls using execv ...\n");
  execv("/bin/ls", argv);

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