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Package containing this man page: extra/c-ares (version 1.13.0-1)

ARES_SET_SERVERS_CSV(3) Library Functions Manual 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
30 June 2010