Generic Socket Address Structure

Header file

<netinet/in.h>

struct sockaddr_storage

The sockaddr_storage data structure simplifies writing portable code across multiple address families and platforms. This data structure provides the following flexibility and consistency.

One simple addition to the sockets API that can help application writers is the struct sockaddr_storage structure. The structure is large enough to accommodate all supported protocol-specific address structures.
sockaddr_storage aligns at an appropriate boundary so that pointers to it - can be cast as pointers to protocol specific address structures and used to access the fields of those structures without alignment problems.

Generic Socket Address Structure

Technical documentation

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Header file