Use err(3). Rewrote man page in mdoc format.
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@ -27,65 +27,71 @@
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.TH SGSC 1 "January 6, 1995" FreeBSD "FreeBSD Reference Manual"
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.SH NAME
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\fBsgsc\fP - set the options of the gsc scanner device
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.SH SYNOPSIS
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.TP 5
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\fBsgsc\fP
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[\fB-sq\fP]
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[\fB-b\fP\ \fIlen\fP]
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[\fB-f\fP\ \fIfile\fP]
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[\fB-h\fP\ \fIheight\fP]
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[\fB-r\fP\ \fIresolution\fP]
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[\fB-t\fP\ \fItimeout\fP]
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[\fB-w\fP\ \fIwidth\fP]
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.SH DESCRIPTION
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The \fBsgsc\fP utility provides shell level access to the ioctl
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.Dd January 6, 1995
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.Dt SGSC 1
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.Os
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.Sh NAME
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.Nm sgsc
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.Nd set the options of the gsc scanner device
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.Sh SYNOPSIS
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.Nm sgsc
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.Op Fl sq
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.Op Fl b Ar len
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.Op Fl f Ar file
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.Op Fl h Ar height
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.Op Fl r Ar resolution
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.Op Fl t Ar timeout
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.Op Fl w Ar width
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.Sh DESCRIPTION
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The
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.Nm
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utility provides shell level access to the ioctl
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requests served by the handy scanner device driver gsc. Please see
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gsc(4) for the exact meaning of the requests. Generally they modify
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the output and behaviour of the gsc scanner device. When \fBsgsc\fP is
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called with no option only the current settings are reported.
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.SH OPTIONS
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.TP 3
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\fB-s\fP [GSC_SRESSW]
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.Xr gsc 4
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for the exact meaning of the requests. Generally they modify
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the output and behaviour of the gsc scanner device. When
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.Nm
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is called with no option only the current settings are reported.
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.Sh OPTIONS
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The following options are available:
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.Bl -tag -width indent
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.It Fl s Ar [GSC_SRESSW]
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Set the scanner with the values of the resolution selector switch.
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.TP
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\fB-q\fP
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.It Fl q
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Operate in quiet mode, i.e. do not report any of the current settings.
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Normally the parameters are shown after the modifications have been
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performed.
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.TP
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\fB-f\fP \fIfile\fP
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.It Fl f Ar file
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Operate on a different scanner device node given by filename. Note
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that even though there may exist more than one node of scanner device
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several of them will refer the same device unit. The modifications are
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performed od the unit regardless of the device node by which it is
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accessed.
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.TP
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\fB-r\fP \fIresolution\fP [GSC_SRES]
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.It Fl r Ar resolution [GSC_SRES]
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Set the resolution in dpi.
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.TP
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\fB-w\fP \fIwidth\fP [GSC_SWIDHT]
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.It Fl w Ar width [GSC_SWIDHT]
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Set the width of the bitmap in pixels.
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.TP
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\fB-h\fP \fIheight\fP [GSC_SHEIGHT]
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.It Fl h Ar height [GSC_SHEIGHT]
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Set the height of the bitmap in lines of pixels.
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.TP
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\fB-b\fP \fIlen\fP [GSC_SBLEN]
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Set the internal dma buffer to be \fIlen\fP lines in size.
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.TP
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\fB-t\fP \fItimeout\fP [GSC_SBTIME]
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.It Fl b Ar len [GSC_SBLEN]
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Set the internal dma buffer to be
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.Ar len
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lines in size.
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.It Fl t Ar timeout [GSC_SBTIME]
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Set the timeout time for reading one dma buffer.
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.SH FILES
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.TP 15
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.BI /dev/gsc0
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device node for \fIraw\fP output.
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.TP
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.BI /dev/gsc0p
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device node for output in \fIpbm\fP file format.
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.PB
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.SH SEE ALSO
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gsc(4)
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.SH AUTHOR
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Gunther Schadow <gusw@fub46.zedat.fu-berlin.de>
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.El
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.Sh FILES
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.Bl -tag -width /dev/gsc0p -compact
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.It Pa /dev/gsc0
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device node for
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.Em raw
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output
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.It Pa /dev/gsc0p
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device node for output in
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.Em pbm
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file format
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.El
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.Sh SEE ALSO
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.Xr gsc 4
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.Sh AUTHOR
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.An Gunther Schadow Aq gusw@fub46.zedat.fu-berlin.de
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@ -29,9 +29,15 @@
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef lint
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static const char rcsid[] =
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"$Id$";
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#endif /* not lint */
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <machine/gsc.h>
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@ -44,11 +50,12 @@
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#endif
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#define FAIL -1
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usage(char *progn)
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static void
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usage()
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{
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fprintf(stderr, "usage: %s [-sq] [-f file] [-r dpi] "
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"[-w width] [-h height] "
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"[-b len] [-t time]\n", progn);
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fprintf(stderr, "%s\n%s\n",
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"usage: sgsc [-sq] [-f file] [-r dpi] [-w width] [-h height]",
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" [-b len] [-t time]");
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exit(1);
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}
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@ -74,9 +81,7 @@ main(int argc, char **argv)
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int set_btime = 0;
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int set_switch = 0;
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char *progn = *argv;
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if (argc == 0) usage(progn);
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if (argc == 0) usage();
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while( (c = getopt(argc, argv, "sqf:b:r:w:h:t:")) != FAIL)
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{
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@ -89,98 +94,62 @@ main(int argc, char **argv)
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case 't': set_btime = atoi(optarg); break;
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case 's': set_switch = 1; break;
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case 'q': show_all = 0; break;
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default: usage(progn);
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default: usage();
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}
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}
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fd = open(file, O_RDONLY);
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if ( fd == FAIL )
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{
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perror(file);
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exit(1);
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}
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err(1, "%s", file);
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if (set_switch != 0)
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{
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if(ioctl(fd, GSC_SRESSW) == FAIL)
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{
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perror("GSC_SRESSW");
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exit(1);
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}
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err(1, "GSC_SRESSW");
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}
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if (set_dpi != 0)
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{
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if(ioctl(fd, GSC_SRES, &set_dpi) == FAIL)
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{
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perror("GSC_SRES");
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exit(1);
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}
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err(1, "GSC_SRES");
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}
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if (set_width != 0)
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{
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if(ioctl(fd, GSC_SWIDTH, &set_width) == FAIL)
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{
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perror("GSC_SWIDTH");
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exit(1);
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}
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err(1, "GSC_SWIDTH");
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}
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if (set_height != 0)
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{
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if(ioctl(fd, GSC_SHEIGHT, &set_height) == FAIL)
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{
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perror("GSC_SHEIGHT");
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exit(1);
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}
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err(1, "GSC_SHEIGHT");
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}
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if (set_blen != 0)
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{
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if(ioctl(fd, GSC_SBLEN, &set_blen) == FAIL)
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{
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perror("GSC_SBLEN");
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exit(1);
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}
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err(1, "GSC_SBLEN");
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}
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if (set_btime != 0)
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{
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if(ioctl(fd, GSC_SBTIME, &set_btime) == FAIL)
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{
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perror("GSC_SBTIME");
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exit(1);
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}
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err(1, "GSC_SBTIME");
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}
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if (show_all != 0)
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{
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if(ioctl(fd, GSC_GRES, &show_dpi) == FAIL)
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{
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perror("GSC_GRES");
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exit(1);
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}
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err(1, "GSC_GRES");
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if(ioctl(fd, GSC_GWIDTH, &show_width) == FAIL)
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{
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perror("GSC_GWIDTH");
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exit(1);
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}
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err(1, "GSC_GWIDTH");
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if(ioctl(fd, GSC_GHEIGHT, &show_height) == FAIL)
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{
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perror("GSC_GHEIGHT");
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exit(1);
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}
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err(1, "GSC_GHEIGHT");
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if(ioctl(fd, GSC_GBLEN, &show_blen) == FAIL)
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{
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perror("GSC_GBLEN");
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exit(1);
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}
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err(1, "GSC_GBLEN");
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if(ioctl(fd, GSC_GBTIME, &show_btime) == FAIL)
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{
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perror("GSC_GBTIME");
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exit(1);
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}
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err(1, "GSC_GBTIME");
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printf("%s:\n", file);
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printf("resolution\t %d dpi\n", show_dpi);
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