char **str, *dflt;
char **str; const char *dflt;
init_str(str, dflt)	char **str, *dflt;{	if (!(*str)) {		/* room.c:edit_opts() depends on length MAX_OPT_LEN + 2 */		*str = md_malloc(MAX_OPT_LEN + 2);		if (*str == NULL)			clean_up("out of memory");		(void) strlcpy(*str, dflt, MAX_OPT_LEN + 2);	}}