Manpages - ares_set_local_ip6.3

ares_set_local_ip6 - Set local IPv6 address outgoing requests.

  #include <ares.h>

  void ares_set_local_ip6(ares_channel channel, const unsigned char* local_ip6)

The ares_set_local_ip6 function sets the IPv6 address for outbound IPv6 requests. The parameter local_ip6 is specified in network byte order. This allows users to specify outbound interfaces when used on multi-homed systems. The local_ip6 argument must be 16 bytes in length.

*ares_set_local_ip4*(3)

This function was added in c-ares 1.7.4

Ben Greear