ARES_SET_LOCAL_IP4(3)  FreeBSD Library Functions Manual  ARES_SET_LOCAL_IP4(3)

NAME
       ares_set_local_ip4 - Set local IPv4 address outgoing requests.

SYNOPSIS
       #include <ares.h>

       void ares_set_local_ip4(ares_channel channel, unsigned int local_ip)

DESCRIPTION
       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.

SEE ALSO
       ares_set_local_ip6(3)

NOTES
       This function was added in c-ares 1.7.4

AUTHOR
       Ben Greear

                                 30 June 2010            ARES_SET_LOCAL_IP4(3)