ret = options_from_file(path, 0, 0);
ret = options_from_file(path, 0, 0, 1);
options_for_tty(){    char *dev, *path, *p;    int ret;    dev = devnam;    if (strncmp(dev, "/dev/", 5) == 0)	dev += 5;    if (strcmp(dev, "tty") == 0)	return 1;		/* don't look for /etc/ppp/options.tty */    path = malloc(strlen(_PATH_TTYOPT) + strlen(dev) + 1);    if (path == NULL)	novm("tty init file name");    strcpy(path, _PATH_TTYOPT);    /* Turn slashes into dots, for Solaris case (e.g. /dev/term/a) */    for (p = path + strlen(path); *dev != 0; ++dev)	*p++ = (*dev == '/'? '.': *dev);    *p = 0;    ret = options_from_file(path, 0, 0);    free(path);    return ret;}