WRITE_PORT_BUFFER_ULONG是向一个PORT写一串数

VOID 
WRITE_PORT_BUFFER_ULONG(
    IN PULONG  Port,
    IN PULONG  Buffer,
    IN ULONG  Count
    );

The WRITE_PORT_BUFFER_ULONG macro writes a number of ULONG values from a buffer to the specified port address.

以后不确定的东西一定要看下文档。悲剧~~~