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+.\" $Id: TIFFSetDirectory.3tiff,v 1.2 2005-11-02 11:07:18 dron Exp $
+.\"
+.\" Copyright (c) 1988-1997 Sam Leffler
+.\" Copyright (c) 1991-1997 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 TIFFSetDirectory 3TIFF "October 15, 1995" "libtiff"
+.SH NAME
+TIFFSetDirectory, TIFFSetSubDirectory \- set the current directory for an open
+.SM TIFF
+file
+.SH SYNOPSIS
+.B "#include <tiffio.h>"
+.sp
+.BI "int TIFFSetDirectory(TIFF *" tif ", tdir_t " dirnum ")"
+.br
+.BI "int TIFFSetSubDirectory(TIFF *" tif ", uint32 " diroff ")"
+.SH DESCRIPTION
+.I TIFFSetDirectory
+changes the current directory and reads its contents with
+.IR TIFFReadDirectory .
+The parameter
+.I dirnum
+specifies the subfile/directory as an integer number, with the first directory
+numbered zero.
+.PP
+.I TIFFSetSubDirectory
+acts like 
+.IR TIFFSetDirectory ,
+except the directory is specified as a file offset instead of an index; this
+is required for accessing subdirectories linked through a
+.I SubIFD
+tag.
+.SH "RETURN VALUES"
+On successful return 1 is returned. Otherwise, 0 is returned if 
+.I dirnum
+or
+.I diroff
+specifies a non-existent directory, or if an error was encountered while
+reading the directory's contents.
+.SH DIAGNOSTICS
+All error messages are directed to the
+.IR TIFFError (3TIFF)
+routine.
+.PP
+.BR "%s: Error fetching directory count" .
+An error was encountered while reading the ``directory count'' field.
+.PP
+.BR "%s: Error fetching directory link" .
+An error was encountered while reading the ``link value'' that points to the
+next directory in a file.
+.SH "SEE ALSO"
+.IR TIFFCurrentDirectory (3TIFF),
+.IR TIFFOpen (3TIFF),
+.IR TIFFReadDirectory (3TIFF),
+.IR TIFFWriteDirectory (3TIFF),
+.IR libtiff (3TIFF)
+.PP
+Libtiff library home page:
+.BR http://www.remotesensing.org/libtiff/