pids             1417 usertests.c      int fds[2], pid, pids[10], ppid;
pids             1518 usertests.c      for(i = 0; i < sizeof(pids)/sizeof(pids[0]); i++){
pids             1519 usertests.c        if((pids[i] = fork()) == 0){
pids             1526 usertests.c        if(pids[i] != -1)
pids             1532 usertests.c      for(i = 0; i < sizeof(pids)/sizeof(pids[0]); i++){
pids             1533 usertests.c        if(pids[i] == -1)
pids             1535 usertests.c        kill(pids[i]);