#define _POSIX_C_SOURCE 1 #include #include #include #include int main(int argc, char *argv[]) { if (argc != 3) { fprintf(stderr, "Usage: %s «fichier» «secondes»\n", argv[0]); return EXIT_FAILURE; } if (open(argv[1], O_RDONLY) == -1) return EXIT_FAILURE; sleep(atoi(argv[2])); printf("Rétention de \"%s\" terminée.\n", argv[1]); return EXIT_SUCCESS; }