/* * mykill.c */ #include #include #include #include #include int main(int argc, char *argv[]) { pid_t pid; int signum = SIGTERM; if(argc < 2) { fprintf(stderr, "usage: %s pid [signum]\n", argv[0]); exit(1); } pid = atoi(argv[1]); if(argc > 2) { signum = atoi(argv[2]); } kill(pid, signum); }