550:/std/armour.c (/std/armour.c)
(void) set_af(object obj)
/*
 * Sets the object to call wear/remove in when this occurs.
 * Those functions can return:
 *              0 - No affect the armour can be worn / removed
 *              1 - It can be worn / removed but no text should be printed
 *                  (it was done in the function)
 *              -1  It can not be worn / removed default failmsg will be 
 *                  written
 *             string  It can not be worn / removed 'string' is the 
 *                     fail message to print
 */
