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-.\" $Id$
-.\"
-.\" Copyright 1998 by Daniel Stenberg
-.\"
-.\" Permission to use, copy, modify, and distribute this
-.\" software and its documentation for any purpose and without
-.\" fee is hereby granted, provided that the above copyright
-.\" notice appear in all copies and that both that copyright
-.\" notice and this permission notice appear in supporting
-.\" documentation, and that the name of M.I.T. not be used in
-.\" advertising or publicity pertaining to distribution of the
-.\" software without specific, written prior permission.
-.\" M.I.T. makes no representations about the suitability of
-.\" this software for any purpose.  It is provided "as is"
-.\" without express or implied warranty.
-.\"
-.TH ARES_GETSOCK 3 "11 March 2010"
-.SH NAME
-ares_getsock \- get socket descriptors to wait on
-.SH SYNOPSIS
-.nf
-.B #include <ares.h>
-.PP
-.B int ares_getsock(ares_channel \fIchannel\fP, ares_socket_t *\fIsocks\fP,
-.B int \fInumsocks\fP);
-.fi
-.SH DESCRIPTION
-The
-.B ares_getsock
-function retrieves the set of socket descriptors which the calling
-application should wait on for reading and/or writing for the
-processing of name service queries pending on the name service channel
-identified by
-.IR channel .
-Socket descriptors will be set in the socket descriptor array pointed to by
-\fIsocks\fP.
-\fInumsocks\fP is the size of the given array in number of ints.
-
-This function can only return information about up to 16 sockets. If more are
-in use (however unlikely that is), they are simply not reported back.
-.SH RETURN VALUES
-\fBares_getsock\fP returns a bitmask for what actions to wait for on the
-different sockets. The ares.h header file provides these convenience macros to
-extract the information appropriately:
-
-.nf
-#define ARES_GETSOCK_MAXNUM 16 /* ares_getsock() can return info about
-                                  this many sockets */
-#define ARES_GETSOCK_READABLE(bits,num) (bits & (1<< (num)))
-#define ARES_GETSOCK_WRITABLE(bits,num) (bits & (1 << ((num) + \
-                                         ARES_GETSOCK_MAXNUM)))
-.fi
-.SH NOTES
-This function was added in c-ares 1.3.1
-.SH SEE ALSO
-.BR ares_timeout (3),
-.BR ares_fds (3),
-.BR ares_process (3)