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INTERFACE_INFO structure

The INTERFACE_INFO structure is used in conjunction with the SIO_GET_INTERFACE_LIST ioctl command to obtain information about an interface IP address.

Syntax


typedef struct _INTERFACE_INFO {
  u_long       iiFlags;
  sockaddr_gen iiAddress;
  sockaddr_gen iiBroadcastAddress;
  sockaddr_gen iiNetmask;
} INTERFACE_INFO, FAR * LPINTERFACE_INFO;

Members

iiFlags

A bitmask describing the status of the interface. The following flags are possible.

FlagMeaning
IFF_UP

The interface is running.

IFF_BROADCAST

The broadcast feature is supported.

IFF_LOOPBACK

The loopback interface is running.

IFF_POINTTOPOINT

The interface is using point-to-point link.

IFF_MULTICAST

The multicast feature is supported.

 

iiAddress

Address of an interface.

iiBroadcastAddress

Broadcast address of the interface or the address of the other side for point-to-point links.

iiNetmask

Netmask used by the interface.

Remarks

On the Microsoft Windows Software Development Kit (SDK) released for Windows Vista and later, the organization of header files has changed and the INTERFACE_INFO structure is defined in the Ws2ipdef.h header file which is automatically included in the Ws2tcpip.h header file. The Ws2ipdef.h header files should never be used directly.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Ws2ipdef.h (include Ws2tcpip.h);
Ws2tcpip.h on Windows Server 2003, Windows XP, and Windows 2000

See also

Winsock IOCTLs

 

 

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