[#IPV4_IN_IPV6_PREFIX]
= IPV4_IN_IPV6_PREFIX
:mrdocs:

Prefix of an IPv6 address when it contains an embedded IPv4 address. Used when (un)serializing addresses in ADDRv1 format (pre‐BIP155).

== Synopsis

Declared in `<netaddress.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr std::array<uint8_t, 12> IPV4_IN_IPV6_PREFIX = {
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF};
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#