Re: [advanced API] how to get the destination address for IPV6_RECVPATHMTU

[itojun]

>=> if in6_addr is defined as four 32 bit integers then the compiler
>won't add padding. If it is defined as a pair of 64 bit integers the
>compiler may add 32 bits for padding if the MTU field is before and
>the architecture needs 64 bit alignment for 64 bit quantities.

        well, i'd like to know how far do we need to go.  think of binary
        compatibility with 32/64/128/256bit CPUs, i believe we cannot do
        much here anyways.

itojun
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