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-.\"	$OpenBSD: rcmdsh.3,v 1.6 1999/07/05 04:41:00 aaron Exp $
-.\"
-.\" Copyright (c) 1983, 1991, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"	This product includes software developed by the University of
-.\"	California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" $FreeBSD: src/lib/libc/net/rcmdsh.3,v 1.2 2001/11/09 15:19:25 ru Exp $
-.\"
-.Dd September 1, 1996
-.Dt RCMDSH 3
-.Os
-.Sh NAME
-.Nm rcmdsh
-.Nd return a stream to a remote command without superuser
-.Sh SYNOPSIS
-.In unistd.h
-.Ft int
-.Fo rcmdsh
-.Fa "char **ahost"
-.Fa "int inport"
-.Fa "const char *locuser"
-.Fa "const char *remuser"
-.Fa "const char *cmd"
-.Fa "const char *rshprog"
-.Fc
-.Sh DESCRIPTION
-The
-.Fn rcmdsh
-function
-is used by normal users to execute a command on
-a remote machine using an authentication scheme based
-on reserved port numbers using
-.Xr rshd 8
-or the value of
-.Fa rshprog
-(if
-.No non- Ns Dv NULL ) .
-.Pp
-The
-.Fn rcmdsh
-function
-looks up the host
-.Fa *ahost
-using
-.Xr gethostbyname 3 ,
-returning \-1 if the host does not exist.
-Otherwise
-.Fa *ahost
-is set to the standard name of the host
-and a connection is established to a server
-residing at the well-known Internet port
-.Dq Li shell/tcp
-(or whatever port is used by
-.Fa rshprog ) .
-The parameter
-.Fa inport
-is ignored; it is only included to provide an interface similar to
-.Xr rcmd 3 .
-.Pp
-If the connection succeeds,
-a socket in the
-.Ux
-domain of type
-.Dv SOCK_STREAM
-is returned to the caller, and given to the remote
-command as stdin, stdout, and stderr.
-.Sh RETURN VALUES
-The
-.Fn rcmdsh
-function
-returns a valid socket descriptor on success.
-Otherwise, \-1 is returned
-and a diagnostic message is printed on the standard error.
-.Sh SEE ALSO
-.Xr rsh 1 ,
-.Xr socketpair 2 ,
-.Xr rcmd 3 ,
-.Xr rshd 8
-.Sh BUGS
-If
-.Xr rsh 1
-encounters an error, a file descriptor is still returned instead of \-1.
-.Sh HISTORY
-The
-.Fn rcmdsh
-function first appeared in
-.Ox 2.0 ,
-and made its way into
-.Fx 5.0 .