ares_set_servers_csv (3)

Leading comments

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

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(The comments found at the beginning of the groff file "man3/ares_set_servers_csv.3".)

NAME

ares_set_servers_csv, ares_set_servers_ports_csv - Set list of DNS servers to be used.

SYNOPSIS

#include <ares.h>

int ares_set_servers_csv(ares_channel channel, const char* servers)
int ares_set_servers_ports_csv(ares_channel channel, const char* servers)

DESCRIPTION

The ares_set_servers_csv and ares_set_servers_ports_csvfunctions set the list of DNS servers that ARES will query. The format of the servers option is:
host[:port][,host[:port]]...
For example:
192.168.1.100,192.168.1.101,3.4.5.6

The ares_set_servers_csv function will ignore any port values specified in the input string, whereare the ares_set_servers_ports_csv function will apply any specified port values as the UDP and TCP port to be used for that particular nameserver.

RETURN VALUES

ares_set_servers_csv(3) This function may return any of the following values:

ARES_SUCCESS

The name servers configuration was successfully initialized.

ARES_ENOMEM

The process's available memory was exhausted.

ARES_ENODATA

The channel data identified by channel was invalid.

ARES_ENOTINITIALIZED

c-ares library initialization not yet performed.

SEE ALSO

ares_set_servers(3)

AVAILABILITY

ares_set_servers_csv was added in c-ares 1.7.2; ares_set_servers_ports_csv was added in c-ares 1.11.0.

AUTHOR

Ben Greear