704:/secure/simul_efun.c (/secure/simul_efun.c)
(varargs int ) interactive(object ob = previous_object()
/*
 * Function name: interactive
 * Description  : Find out whether an object is an interactive player or not.
 * Arguments    : object ob - the object to check, defaults to this_object()
 *                            when omitted.
 * Returns      : int - 1/0 - interactive or not.
 */
