message.h

程序实现了在ip协议之上加一层RUDP协议

#if !defined DWORD 
#define DWORD unsigned int
#endif
#if !defined WORD 
#define WORD  unsigned short
#endif
#if !defined UCHAR 
#define UCHAR  unsigned char
#endif
#if !defined NULL 
#define NULL 0
#endif

struct Message 
{
	DWORD Device;        //消息类型：系统(DEVICE_SYSTEM)/通知(DEVICE_TRANSMIT)
	DWORD Event;         //消息名称：指定具体消息类型
	DWORD SubMsg;        //TAG标识
	DWORD Length;        //当为数据包是，此字段为数据包的长度，否则为零
	char  *DataPtr;      //指向存放数据的存储单元的地址
	DWORD Data[2];       //Data[0]
};