Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/sys/player/combat.h b/sys/player/combat.h
new file mode 100644
index 0000000..01ab2fa
--- /dev/null
+++ b/sys/player/combat.h
@@ -0,0 +1,16 @@
+// MorgenGrauen MUDlib
+//
+// player/combat.h -- prototypes for player specific issues of combat
+//
+// $Id: comm.h,v 3.3 2000/02/09 15:56:25 Padreic Exp $
+
+#ifndef __PLAYER_COMBAT_H__
+#define __PLAYER_COMBAT_H__
+
+public int QueryPlAttacked(object pl);
+
+public int RegisterHelperNPC(object npc, int flags);
+public int UnregisterHelperNPC(object npc);
+
+#endif // __PLAYER_COMBAT_H__
+