rem: printf("error creating: %s: %s\n", name, strerror(cur_fd));
add: printf("error creating: %s: %s\n", name, fs_strerror(cur_fd));
context: do_make(int argc, char **argv){    char name[64];    if (cur_fd >= 0)        do_close(0, NULL);    if (argc < 2)         make_random_name(name, sizeof(name));    else if (argv[1][0] != '/')        sprintf(name, "/myfs/%s", &argv[1][0]);    else        strcpy(name, &argv[1][0]);    cur_fd = sys_open(1, -1, name, O_RDWR|O_CREAT, 0666, 0);    if (cur_fd < 0) {        printf("error creating: %s: %s\n", name, strerror(cur_fd));        return cur_fd;    }/*  printf("created: %s (fd %d)\n", name, cur_fd); */	return 0;}