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