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+.\" Copyright (c) 1992, 1995 Hellmuth Michaelis
+.\"
+.\" 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 Hellmuth Michaelis
+.\" 4. The name authors may not be used to endorse or promote products
+.\"    derived from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
+.\"
+.\" @(#)ispcvt.1, 3.20, Last Edit-Date: [Tue Apr  4 12:35:54 1995]
+.\"
+.Dd April 4, 1995
+.Dt ISPCVT 8
+.Sh NAME
+.Nm ispcvt
+.Nd verify if current video driver is pcvt driver
+.Sh SYNOPSIS
+.Nm ispcvt
+.Op Fl c
+.Op Fl d Ar device
+.Op Fl v
+.Sh DESCRIPTION
+The
+.Nm ispcvt
+utility allows the user to check whether the current video driver compiled
+into the kernel is a pcvt driver. The major and minor release numbers of
+the driver are also checked.
+Furthermore
+.Nm ispcvt
+is also able to print out the values of all the
+.Dq Ar PCVT_XXXXXX
+compile time options, the driver in the current running kernel was
+compiled with.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl d
+Specifies a device for which the check is done.
+.It Fl v
+Specifies being verbose. On success the name and revision is reported, on
+failure which comparison failed.
+.It Fl c
+This options prints out the values of all
+.Dq Ar PCVT_XXXXXX
+#defines which were given to the compiler at the time the currently running
+kernel was compiled. Specifying
+.Fl v
+with the
+.Fl c
+option gives a verbose listing of the compile-time options.
+.Sh RETURN VALUE
+.Bl -tag -width Ds
+.Pp
+.It Sy 0
+driver is pcvt and major and minor numbers match
+.It Sy 1
+open or ioctl system call failed
+.It Sy 2
+driver name mismatch
+.It Sy 3
+name matched, release major number mismatch
+.It Sy 4
+name & major number matched, release minor number mismatch
+.It Sy 5
+usage error
+.El
+.Pp
+.Sh BUGS
+No known bugs
+.Sh SEE ALSO
+.Xr pcvt 4