// libetc.h: Light Gun Interface unit libgun; interface procedure InitGUN(bufA: Pbyte; lenA: longint; bufB: Pbyte; lenB: longint; buf1: Pbyte; buf2: Pbyte; len: longint); external; procedure RemoveGUN; external; procedure SelectGUN(ch: longint; mask: byte); external; function StartGUN: longint; external; procedure StopGUN; external; implementation begin end.