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