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IP_ADDRESS_PREFIX structure

  • Article

The IP_ADDRESS_PREFIX structure stores an IP address prefix.

Syntax

typedef struct _IP_ADDRESS_PREFIX {
  SOCKADDR_INET Prefix;
  UINT8         PrefixLength;
} IP_ADDRESS_PREFIX, *PIP_ADDRESS_PREFIX;

Members

  • Prefix
    The prefix or network part of the address represented as an IP address.

  • PrefixLength
    The length, in bits, of the prefix or network part of the IP address. For a unicast IPv4 address, any value that is greater than 32 is an illegal value. For a unicast IPv6 address, any value that is greater than 128 is an illegal value. A value of 255 is typically used to represent an illegal value.

Requirements

Version

Available in Windows Vista and later versions of the Windows operating systems.

Header

 Netioapi.h (include Netioapi.h)