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.

       ARES_ENOTIMP   Changing name servers configuration while queries are  outstanding  is  not
                      implemented.

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                   ARES_SET_SERVERS_CSV(3)