char = *argv[5];
int res;
...
{
  argv[0] = "ls";
  argv[1] = "/home";
  argv[2] = NULL;
  res = execve("/bin/ls", argv, NULL);
  if (res < 0) sys_err("execve failed");

  /* We cannot be here!!!	 */
  printf("Panico!!!");
  exit(-1);
}