1 #define _GNU_SOURCE 2 #include <stdio.h> 3 #include <stdlib.h> 4 #include <unistd.h> 5 main(int argc,char * argv[])6 int main(int argc, char *argv[]) 7 { 8 if (pause()) 9 _exit(EXIT_FAILURE); 10 11 _exit(EXIT_SUCCESS); 12 } 13