Add userland glue for ptyfs.
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christos
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7fc8278a34
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1bd4f21d5a
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# $NetBSD: Makefile,v 1.1 2004/11/11 01:42:17 christos Exp $
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# @(#)Makefile 8.2 (Berkeley) 3/27/94
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.include <bsd.own.mk>
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PROG= mount_ptyfs
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SRCS= mount_ptyfs.c
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MAN= mount_ptyfs.8
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DPADD+=${LIBUTIL}
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LDADD+=-lutil
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.include <bsd.prog.mk>
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.\" $NetBSD: mount_ptyfs.8,v 1.1 2004/11/11 01:42:17 christos Exp $
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.\"
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.Dd November 8, 2004
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.Dt MOUNT_PTYFS 8
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.Os
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.Sh NAME
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.Nm mount_ptyfs
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.Nd mount the /dev/pts file system
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.Sh SYNOPSIS
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.Nm
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.Op Fl o Ar options
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.Ar ptyfs
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.Ar mount_point
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.Sh DESCRIPTION
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The
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.Nm
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command attaches an instance of the pseudo terminal device filesystem
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the global filesystem namespace.
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The conventional mount point is
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.Pa /dev/pts .
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This command is normally executed by
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.Xr mount 8
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at boot time.
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.Pp
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The filesystem contains pseudo terminal slave device nodes which are
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allocated dynamically via
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.Xr ptm 4 ,
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or they are already open via traditional BSD style ptys.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl o
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Options are specified with a
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.Fl o
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flag followed by a comma separated string of options.
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See the
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.Xr mount 8
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man page for possible options and their meanings.
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.El
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.Sh FILES
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.Bl -tag -width n -compact
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.It Pa n
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The 'nth pseudo terminal device in use.
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.El
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.Sh SEE ALSO
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.Xr mount 2 ,
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.Xr unmount 2 ,
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.Xr ptm 4 ,
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.Xr fstab 5 ,
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.Xr mount 8 ,
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Nx 3.0 .
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.Sh BUGS
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This filesystem may not be NFS-exported.
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This filesystem is experimental.
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@ -0,0 +1,146 @@
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/* $NetBSD: mount_ptyfs.c,v 1.1 2004/11/11 01:42:17 christos Exp $ */
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/*
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1990, 1992 Jan-Simon Pendry
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)mount_ptyfs.c 8.3 (Berkeley) 5/4/95";
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#else
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__RCSID("$NetBSD: mount_ptyfs.c,v 1.1 2004/11/11 01:42:17 christos Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <err.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <mntopts.h>
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static const struct mntopt mopts[] = {
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MOPT_STDOPTS,
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MOPT_GETARGS,
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{ NULL }
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};
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int main(int, char *[]);
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int mount_ptyfs(int argc, char **argv);
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static void usage(void);
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#ifndef MOUNT_NOMAIN
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int
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main(int argc, char *argv[])
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{
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return mount_ptyfs(argc, argv);
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}
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#endif
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int
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mount_ptyfs(int argc, char *argv[])
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{
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int ch, mntflags = 0;
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setprogname(argv[0]);
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while ((ch = getopt(argc, argv, "o:")) != -1)
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switch (ch) {
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case 'o':
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getmntopts(optarg, mopts, &mntflags, 0);
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc != 2)
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usage();
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if (mount(MOUNT_PTYFS, argv[1], mntflags, NULL))
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err(1, "ptyfs on %s", argv[1]);
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exit(0);
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr,
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"Usage: %s [-o options] ptyfs mountpoint\n", getprogname());
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exit(1);
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}
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