ROUTINE RtlFillMemory
        minarg=3
        maxarg=3
        stackpop=called
        module=Kernel32
        returns=long;
        arg  1 num  input  byvalue format=pib4.;  * PVOID  Destination,	// address of block to fill ;
        arg  2 num  input  byvalue format=pib4.;  * DWORD  Length,	// size, in bytes, of block to fill ;
        arg  3 num  input  byvalue format=pib1.;  * BYTE  Fill	 	// the byte value with which to fill ;