/* execcat3.c
   Jim Plank
   CS360 -- Exec/Wait lecture
 */

#include <stdio.h>

main(int argc, char **argv)
{
  char *newargv[3];
  int i, j;

  newargv[0] = "cat";
  newargv[1] = "f1";
  newargv[2] = NULL;

  j = 0;
  while (j < 10) {
    printf("I am %d.  j = %d\n", getpid(), j);
    fflush(stdout);
    if (fork() == 0) {
      i = execv("cat", newargv);
    } else {
      j++;
      wait(&i);
    }
  }
}