prexit.c

#include "apue.h"#include <sys/wait.h>voidpr_exit(int status){if (WIFEXITED(status))printf("normal termination, exit status = %d/n",WEXITSTATUS(status));else if (WIFSIGNALED(status))printf("abnormal termination, signal number = %d%s/n",WTERMSIG(status),#ifdefWCOREDUMPWCOREDUMP(status) ? " (core file generated)" : "");#else"");#endifelse if (WIFSTOPPED(status))printf("child stopped, signal number = %d/n",WSTOPSIG(status));}