2.2.32.5.1 SOCKADDR_STORAGE
Socket Address Information is a 128-byte structure formatted as follows:
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Buffer (variable) |
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Reserved (variable) |
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Family (2 bytes): Address family of the socket. This field MUST contain one of the following values:
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Value
Meaning
InterNetwork
0x0002
When set, indicates an IPv4 address in the socket.
InterNetworkV6
0x0017
When set, indicates an IPv6 address in the socket.
Buffer (variable): A variable-length buffer that contains the socket address information. If the value of the field Family is 0x0002, this field MUST be interpreted as SOCKADDR_IN, specified in 2.2.32.5.1.1. Otherwise, if the value of the field Family is 0x0017, this field MUST be interpreted as SOCKADDR_IN6, specified in 2.2.32.5.1.2.
Reserved (variable): The remaining bytes within the size of SOCKADDR_STORAGE structure (128 bytes) MUST NOT be used and MUST be reserved. The server SHOULD set this to zero, and the client MUST ignore it on receipt.