Lfun:	query_msgin - get the walking in-message from a living

Synopsis:
	string query_msgin()

Description:
	The query_msgin gets the walking in-message from a living.

Return value:
	It returns a string containing the walking in-message of a living.

Examples:
	string msgin;
	msgin=this_player()->query_msgin();

See also: living/query_mmsgin, living/query_msgout, living/query_mmsgout, monster/set_msgin, monster/set_msgout, monster/set_mmsgin, monster/set_mmsgout