// netioapi.h
typedef struct _IP_ADDRESS_PREFIX {
SOCKADDR_INET Prefix;
UINT8 PrefixLength;
} IP_ADDRESS_PREFIX, *PIP_ADDRESS_PREFIX;
View the official Windows hardware development documentationNo description available.
The IP_ADDRESS_PREFIX structure stores an IP address prefix.
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.
| Version | Available in Windows Vista and later versions of the Windows operating systems. |
| Header | Netioapi.h (include Netioapi.h) |