ares_init - Initialize a resolver channel
int ares_init(ares_channel * channelptr)
function initializes a communications channel for name
service lookups. If it returns successfully, ares_init(3)
will set the
variable pointed to by channelptr
to a handle used to identify the name
service channel. The caller should invoke ares_destroy(3)
on the handle
when the channel is no longer needed.
function is provide to offer more init
can return any of the following values:
- Initialization succeeded.
- A configuration file could not be read.
- The process's available memory was exhausted.
- c-ares library initialization not yet performed.
When initializing from /etc/resolv.conf, ares_init(3)
directives to allow lookups of short names
relative to the domains specified. The domain
directives override one another. If more that one instance of either
directives is specified, the last occurrence
wins. For more information, please see the resolv.conf(5)
ares_init_options(3), ares_destroy(3), ares_dup(3),
Greg Hudson, MIT Information Systems
Copyright 1998 by the Massachusetts Institute of Technology.
Copyright (C) 2004-2010 by Daniel Stenberg.