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+.\" $Header: /usr/people/sam/tiff/man/RCS/query.3t,v 1.11 1995/07/07 23:29:04 sam Exp $
+.\"
+.\" Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994 Sam Leffler
+.\" Copyright (c) 1991, 1992, 1993, 1994 Silicon Graphics, Inc.
+.\"
+.\" Permission to use, copy, modify, distribute, and sell this software and 
+.\" its documentation for any purpose is hereby granted without fee, provided
+.\" that (i) the above copyright notices and this permission notice appear in
+.\" all copies of the software and related documentation, and (ii) the names of
+.\" Sam Leffler and Silicon Graphics may not be used in any advertising or
+.\" publicity relating to the software without the specific, prior written
+.\" permission of Sam Leffler and Silicon Graphics.
+.\" 
+.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+.\" 
+.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
+.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
+.\" OF THIS SOFTWARE.
+.\"
+.if n .po 0
+.TH QUERY 3T "December 16, 1991"
+.SH NAME
+TIFFCurrentRow, TIFFCurrentStrip, TIFFCurrentTile, TIFFCurrentDirectory, TIFFFileno, TIFFFileName, TIFFGetMode, TIFFIsTiled, TIFFIsByteSwapped  \- query routines
+.SH SYNOPSIS
+.B "#include <tiffio.h>"
+.br
+.B "uint32 TIFFCurrentRow(TIFF* tif)"
+.br
+.B "tstrip_t TIFFCurrentStrip(TIFF* tif)"
+.br
+.B "ttile_t TIFFCurrentTile(TIFF* tif)"
+.br
+.B "tdir_t TIFFCurrentDirectory(TIFF* tif)"
+.br
+.B "int TIFFFileno(TIFF* tif)"
+.br
+.B "char* TIFFFileName(TIFF* tif)"
+.br
+.B "int TIFFGetMode(TIFF* tif)"
+.br
+.B "int TIFFIsTiled(TIFF* tif)"
+.br
+.B "int TIFFIsByteSwapped(TIFF* tif)"
+.br
+.B "const char* TIFFGetVersion(void)"
+.SH DESCRIPTION
+The following routines return status information about an open
+.SM TIFF
+file.
+.PP
+.IR TIFFCurrentDirectory
+returns the index of the current directory (directories
+are numbered starting at 0).
+This number is suitable for use with the
+.IR TIFFSetDirectory
+routine.
+.PP
+.IR TIFFCurrentRow ,
+.IR TIFFCurrentStrip ,
+and
+.IR TIFFCurrentTile ,
+return the current row, strip, and tile, respectively,
+that is being read or written.
+These values are updated each time a read or write is done.
+.PP
+.IR TIFFFileno
+returns the underlying file descriptor used to access the 
+.SM TIFF
+image in the filesystem.
+.PP
+.IR TIFFFileName
+returns the pathname argument passed to
+.IR TIFFOpen
+or
+.IR TIFFFdOpen .
+.PP
+.IR TIFFGetMode
+returns the mode with which the underlying file was opened.
+On
+.SM UNIX
+systems, this is the value passed to the
+.IR open (2)
+system call.
+.PP
+.IR TIFFIsTiled
+returns a non-zero value if the image data has
+a tiled organization.
+Zero is returned if the image data is organized in strips.
+.PP
+.IR TIFFIsByteSwapped
+returns a non-zero value if the image data was in a different
+byte-order than the host machine.
+Zero is returned if the image data and local host byte-orders
+are the same.
+Data samples that are more than 8 bits wide must be byte-swapped
+by the application.
+.PP
+.IR TIFFGetVersion
+returns an
+.SM ASCII
+string that has a version stamp for the 
+.SM TIFF
+library software.
+.SH DIAGNOSTICS
+None.
+.SH "SEE ALSO"
+.IR intro (3T),
+.IR TIFFOpen (3T),
+.IR TIFFFdOpen (3T)