kinsaang

WS2TCPIP.H这个VC6.0里我记得有来着
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代码:
/*     
**     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 0.3     Nov 13, 1995
**    Rev 0.4     Dec 15, 1996
*/

#ifndef _WS2TCPIP_H_
#define _WS2TCPIP_H_

/* 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)     

/* 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


/* IPv6 definitions */

struct in_addr6 {
          u_char     s6_addr[16];     /* IPv6 address */
};

struct sockaddr_in6 {
          short     sin6_family;       /* AF_INET6 */
          u_short sin6_port;     /* Transport level port number */
          u_long     sin6_flowinfo;     /* IPv6 flow information */
          struct in_addr6 sin6_addr; /* IPv6 address */
};


typedef struct in_addr6 IN6_ADDR;
typedef struct in_addr6 *PIN6_ADDR;
typedef struct in_addr6 FAR *LPIN6_ADDR;

typedef struct sockaddr_in6 SOCKADDR_IN6;
typedef struct sockaddr_in6 *PSOCKADDR_IN6;
typedef struct sockaddr_in6 FAR *LPSOCKADDR_IN6;


#define IN6ADDR_SETANY(x) {\
(x)->sin6_family = AF_INET6; \
(x)->sin6_port = 0; \
(x)->sin6_flowinfo = 0; \
*((u_long *)((x)->sin6_addr.s6_addr)   ) = 0; \
*((u_long *)((x)->sin6_addr.s6_addr) + 1) = 0; \
*((u_long *)((x)->sin6_addr.s6_addr) + 2) = 0; \
*((u_long *)((x)->sin6_addr.s6_addr) + 3) = 0; \
}
#define IN6ADDR_SETLOOPBACK(x) {\
(x)->sin6_family = AF_INET6; \
(x)->sin6_port = 0; \
(x)->sin6_flowinfo = 0; \
*((u_long *)((x)->sin6_addr.s6_addr)   ) = 0; \
*((u_long *)((x)->sin6_addr.s6_addr) + 1) = 0; \
*((u_long *)((x)->sin6_addr.s6_addr) + 2) = 0; \
*((u_long *)((x)->sin6_addr.s6_addr) + 3) = 1; \
}

#define IN6ADDR_ISANY(x) ( \
(x)->sin6_family == AF_INET6 && \
*((u_long *)((x)->sin6_addr.s6_addr)   ) == 0 && \
*((u_long *)((x)->sin6_addr.s6_addr) + 1) == 0 && \
*((u_long *)((x)->sin6_addr.s6_addr) + 2) == 0 && \
*((u_long *)((x)->sin6_addr.s6_addr) + 3) == 0 \
)


#define IN6ADDR_ISLOOPBACK(x) (\
(x)->sin6_family == AF_INET6 && \
*((u_long *)((x)->sin6_addr.s6_addr)   ) == 0 && \
*((u_long *)((x)->sin6_addr.s6_addr) + 1) == 0 && \
*((u_long *)((x)->sin6_addr.s6_addr) + 2) == 0 && \
*((u_long *)((x)->sin6_addr.s6_addr) + 3) == 1 \
)



typedef union sockaddr_gen{
          struct sockaddr Address;
          struct sockaddr_in  AddressIn;
          struct sockaddr_in6 AddressIn6;
} sockaddr_gen;

/* Structure to keep interface specific information */

typedef struct _INTERFACE_INFO
{
     u_long          iiFlags;          /* Interface flags */
     sockaddr_gen     iiAddress;          /* Interface address */
     sockaddr_gen     iiBroadcastAddress;      /* Broadcast address */
     sockaddr_gen     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 */


#endif     /* _WS2TCPIP_H_ */我用青春赌明天

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