1845:/lib/library.c (/lib/library.c)
(public int) library_discard_access()
/*
 * Function name: library_discard_access
 * Description:   Redefine this function to limit permission to discard books
 * Returns:       1 - this_player() is permitted to discard a book
 *                0 - this_player() is not permitted to discard a book
 */
