2259:/secure/mail_reader.c (/secure/master.c)
(static void) purge_mortal_box()
/*
 * Function name: purge_mortal_box
 * Description  : This function is used to check whether the player has too
 *                many read messages in his/her mailbox and if so, purge them
 *                from the mailbox using FIFO (first in first out).
 */
