windows-nt/Source/XPSP1/NT/net/tcpip/driver/tcp/udp.h
2020-09-26 16:20:57 +08:00

40 lines
1.3 KiB
C

/********************************************************************/
/** Microsoft LAN Manager **/
/** Copyright(c) Microsoft Corp., 1990-1993 **/
/********************************************************************/
/* :ts=4 */
//** UDP. - UDP protocol definitions.
//
// This file contains definitions for the UDP protocol functions.
//
#include "dgram.h"
#define PROTOCOL_UDP 17 // UDP protocol number
//* Structure of a UDP header.
struct UDPHeader {
ushort uh_src; // Source port.
ushort uh_dest; // Destination port.
ushort uh_length; // Length
ushort uh_xsum; // Checksum.
}; /* UDPHeader */
typedef struct UDPHeader UDPHeader;
//* External definition of exported functions.
extern IP_STATUS UDPRcv(void *IPContext, IPAddr Dest, IPAddr Src,
IPAddr LocalAddr, IPAddr SrcAddr,
IPHeader UNALIGNED *IPH, uint IPHLength,
IPRcvBuf *RcvBuf, uint Size, uchar IsBCast,
uchar Protocol, IPOptInfo *OptInfo);
extern void UDPStatus(uchar StatusType, IP_STATUS StatusCode, IPAddr OrigDest,
IPAddr OrigSrc, IPAddr Src, ulong Param, void *Data);
extern void UDPSend(AddrObj *SrcAO, DGSendReq *SendReq);