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=IPV6=
It seems that Nintendo planned ahead and included IPv6 support to some extent in their code.
Name resolution functions support IPv6 (such as [[SOCU:getnameinfo|getnameinfo]]), but [[SOCU:socket|socket]] doesn't.
The ipv6 sockaddr size is 0x1C and is required for some IPC commands, even when using sockaddr_in which in reality is of size 8.
The sockaddr_in6 struct is the following:
struct in6_addr
{
uint8_t s6_addr[16];
};
struct sockaddr_in6
{
sa_family_t sin6_family;
in_port_t sin6_port;
struct in6_addr sin6_addr;
u32 sin6_flowinfo; // Not confirmed
u32 sin6_scope_id; // Not confirmed
};