xpmgr/BuildTools/Include/inaddr.h

38 lines
779 B
C

/*++
Copyright (c) Microsoft Corporation
Module Name:
inaddr.h
Environment:
user mode or kernel mode
--*/
#ifndef s_addr
#pragma once
//
// IPv4 Internet address
// This is an 'on-wire' format structure.
//
typedef struct in_addr {
union {
struct { UCHAR s_b1,s_b2,s_b3,s_b4; } S_un_b;
struct { USHORT s_w1,s_w2; } S_un_w;
ULONG S_addr;
} S_un;
#define s_addr S_un.S_addr /* can be used for most tcp & ip code */
#define s_host S_un.S_un_b.s_b2 // host on imp
#define s_net S_un.S_un_b.s_b1 // network
#define s_imp S_un.S_un_w.s_w2 // imp
#define s_impno S_un.S_un_b.s_b4 // imp #
#define s_lh S_un.S_un_b.s_b3 // logical host
} IN_ADDR, *PIN_ADDR, FAR *LPIN_ADDR;
#endif