ares_set_local_ip4(3)

ares_set_local_ip43

Set local ipv4 address outgoing requests.

Usage

#include <ares.h>
void ares_set_local_ip4(ares_channel_t *channel, unsigned int local_ip)

Overview

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.

Notes

This function was added in c-ares 1.7.4

Releases

6 releases since Debian 9 (Stretch); the text changed 2 times.

  1. 9–10
  2. 11–12
  3. 13–Arch

From c-ares 1.34.9-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.