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/*
** WS2TCPIP.H - WinSock2 Extension for TCP/IP protocols
**
** This file contains TCP/IP specific information for use
** by WinSock2 compatible applications.
**
** To provide the backward compatibility, all the TCP/IP
** specific definitions that were included in the WINSOCK.H
** file are now included in WINSOCK2.H file. WS2TCPIP.H
** file includes only the definitions introduced in the
** WinSock 2 Protocol-Specific Annex document.
**
** Rev 0.2 Aug 10, 1995
*/
#ifndef _WS2TCPIP_H_
#define _WS2TCPIP_H_
/* Structure to keep interface specific information */
typedef struct _INTERFACE_INFO
{
u_long iiFlags; /* Interface flags */
struct sockaddr iiAddress; /* Interface address */
struct sockaddr iiBroadcastAddress; /* Broadcast address */
struct sockaddr iiNetmask; /* Network mask */
} INTERFACE_INFO, FAR * LPINTERFACE_INFO;
/* Possible flags for the iiFlags - bitmask */
#define IFF_UP 0x00000001 /* Interface is up */
#define IFF_BROADCAST 0x00000002 /* Broadcast is supported */
#define IFF_LOOPBACK 0x00000004 /* this is loopback interface */
#define IFF_POINTTOPOINT 0x00000008 /*this is point-to-point interface*/
#define IFF_MULTICAST 0x00000010 /* multicast is supported */
/* Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP */
struct ip_mreq {
struct in_addr imr_multiaddr; /* IP multicast address of group */
struct in_addr imr_interface; /* local IP address of interface */
};
/* TCP/IP specific Ioctl codes */
#define SIO_GET_INTERFACE_LIST _IOR('t', 127, u_long) // <TBD>
/* Option to use with [gs]etsockopt at the IPPROTO_IP level */
#define IP_OPTIONS 1 /* set/get IP options */
#define IP_HDRINCL 2 /* header is included with data */
#define IP_TOS 3 /* IP type of service and preced*/
#define IP_TTL 4 /* IP time to live */
#define IP_MULTICAST_IF 9 /* set/get IP multicast i/f */
#define IP_MULTICAST_TTL 10 /* set/get IP multicast ttl */
#define IP_MULTICAST_LOOP 11 /*set/get IP multicast loopback */
#define IP_ADD_MEMBERSHIP 12 /* add an IP group membership */
#define IP_DROP_MEMBERSHIP 13 /* drop an IP group membership */
#define IP_DONTFRAGMENT 14 /* don't fragment IP datagrams */
/* Option to use with [gs]etsockopt at the IPPROTO_UDP level */
#define UDP_NOCHECKSUM 1
/* Option to use with [gs]etsockopt at the IPPROTO_TCP level */
#define TCP_EXPEDITED_1122 0x0002
#endif /* _WS2TCPIP_H_ */
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