#include #include #include #include #include "utils.h" int main(int argc, char *argv[]) { int status; pid_t pid; switch(pid = fork()) { case -1: exit_if(1, "Can't fork"); case 0: printf("I'm the child %d, of %d\n", getpid(), getppid()); return 42; default: printf("I'm the father of %d\n", pid); wait(&status); printf("with status %d\n", WEXITSTATUS(status)); break; } return 0; }