#ifndef _ROOM_H_
#define _ROOM_H_

/* if err then return is -1 and error information is p_errno */
room_t p_open_room(int init_persons, int max_persons, int door_no);
room_t p_find_room(int door_no);
bool_t p_is_valid_room(room_t room_index);
bool_t p_close_room(room_t room_index);
bool_t p_wait_in_room(bool_t wait, room_t room_index);
bool_t p_wait_in_multiple_rooms(bool_t wait, int room_count, room_t room1_index, room_t room2_index, ...);
bool_t p_out_room(room_t room_index, int persons);

#endif