#include #include #include #include main(int argc, char *argv[]) { int numflights, numseats, i, fd; if (argc != 3) { printf("usage: %s flights seats\n", argv[0]); exit(1); } fd = open("seatfile", O_RDWR | O_CREAT, 0600); if (fd < 0) { perror("cannot open seatfile"); exit(2); } numflights = atoi(argv[1]); numseats = atoi(argv[2]); for(i = 0; i < numflights; i++) write(fd, &numseats, sizeof(int)); close(fd); }