BOOL  __SendClientMsg( ULONG, struct MsgPort * );
ULONG __GetServerCommand( struct MsgPort * );
ULONG __WaitServerCommand( struct MsgPort * );
struct DisplayIDInformation * __OpenCommunication( struct MsgPort ** );

#pragma libcall ClientBase __SendClientMsg 1e 9002
#pragma libcall ClientBase __GetServerCommand 24 901
#pragma libcall ClientBase __WaitServerCommand 2a 901
#pragma libcall ClientBase __OpenCommunication 30 901