Callbacks

forward OnIncomingPacket(playerid, packetid, BitStream:bs);
forward OnIncomingRPC(playerid, rpcid, BitStream:bs);

playerid == -1 => broadcast

forward OnOutcomingPacket(playerid, packetid, BitStream:bs); 
forward OnOutcomingRPC(playerid, rpcid, BitStream:bs);

Also available zcmd-style handlers

• IRPC (alias IncomingRPC)
• ORPC (alias OutcomingRPC)
• IPacket (alias IncomingPacket)
• OPacket (alias OutcomingPacket)