kill              111 defs.h         int             kill(int);
kill               15 kill.c             kill(atoi(argv[i]));
kill               36 sysproc.c        return kill(pid);
kill               12 user.h         int kill(int);
kill              393 usertests.c      kill(pid1);
kill              394 usertests.c      kill(pid2);
kill              395 usertests.c      kill(pid3);
kill              449 usertests.c          kill(ppid);
kill             1506 usertests.c          kill(ppid);
kill             1535 usertests.c        kill(pids[i]);
kill             1579 usertests.c        kill(pid);