Copyright 2010 by Ben Greear <greearb@candelatech.com>

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ares_set_local_ip4 - Set local IPv4 address outgoing requests.

 #include <ares.h> 

 void ares_set_local_ip4(ares_channel channel, unsigned int local_ip) 

The ares_set_local_ip4 function sets the IP address for outbound requests. The parameter local_ip is specified in host byte order. This allows users to specify outbound interfaces when used on multi-homed systems. ares_set_local_ip6 (3) This function was added in c-ares 1.7.4 Ben Greear