typedef void (* FGCBMultiEntry )( int, int );
typedef void (* FGCBMultiButton )( int, int, int, int, int );
typedef void (* FGCBMultiMotion )( int, int, int );
typedef void (* FGCBMultiPassive )( int, int, int );
typedef void (* FGCBMultiEntry )( int, int );
typedef void (* FGCBMultiButton )( int, int, int, int, int );
typedef void (* FGCBMultiMotion )( int, int, int );
typedef void (* FGCBMultiPassive )( int, int, int );