[lwip-devel] [task #12722] Improve IPv4/v6 address handling

[Sylvain Rochet]

Follow-up Comment #7, task #12722 (project lwip):

I agree about adding a version field to ipX_addr_t, this is what sockaddr,
sockaddr_in, sockaddr_in6 do with the sa_family_t field, which is always the
first one:

struct sockaddr {
    unsigned short sa_family;    /* address family, AF_xxx */
    …
};

struct sockaddr_in {
    sa_family_t    sin_family;   /* address family: AF_INET */
    …
}

struct sockaddr_in6 {
    sa_family_t     sin6_family; /* address family: AF_INET6 */
    …
}

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