This fixes issue #178, on FreeBSD the type should be `char **`. original commit: cc60b7d951770b0635186333f1c55d1704686630
7.ss, scheme.1.in, comments of many files original commit: 06f858f9a505b9d6fb6ca1ac97234927cb2dc641
original commit: 47a210c15c63ba9677852269447bd2f2598b51fe