gistfile1.c

void (*yesno_cb)(bool);

void yn_tavern_room(bool b)
{
	if (b)
		set_player_location(&loc_room_offline);
	else
		set_player_location(&loc_tavern_bartender);
}

void ac_tavern_room()
{
	yesno_cb = &yn_tavern_room;
	print("Want a room");
	set_player_location(&loc_yesno);
}

void ac_yesno_yes()
{
	(*yesno_cb)(true);
}

void ac_yesno_no()
{
	(*yesno_cb)(false);
}

Location loc_yesno = {
	"", /* NULL here would mean there be dragons. Always have "" instead */
	2,
	{
		{
			'y',
			"",
			"Yes",
			&ac_yesno_yes
		},
		{
			'n',
			"",
			"No",
			&ac_yesno_no
		}
	}	
};