efun: query_input_pending

SYNOPSIS:

        object query_input_pending(object ob)

DESCRIPTION:

        If ob is interactive and currently has an input_to() pending,
        the object that has called the input_to() is returned,
        else 0.

SEE ALSO:

	
	input_to(E), find_input_to(E), input_to_info(E), remove_input_to(E)