#include <unistd.h>
#include <stdio.h>

char filename1[] = "fileX";
char filename2[] = "fileY";

int main(void){
   int fd;
	if((fd = creat(filename1, 0710)) == -1){
		fprintf(stderr, "creating %s failed, returnvalue is %d\n", filename1, fd);
		exit(1);
	}
	printf("created file descriptor %d\n", fd);
	if((fd = creat(filename2, 0642)) == -1){
		fprintf(stderr, "creating %s failed, returnvalue is %d\n", filename2, fd);
		exit(1);
	}
	printf("created file descriptor %d\n", fd);
   exit(0);
}