TIFFSetSubDirectory man page on FreeBSD

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TIFFSetDirectory(3TIFF)				       TIFFSetDirectory(3TIFF)

NAME
       TIFFSetDirectory,  TIFFSetSubDirectory  - set the current directory for
       an open TIFF file

SYNOPSIS
       #include <tiffio.h>

       int TIFFSetDirectory(TIFF *tif, tdir_t dirnum)
       int TIFFSetSubDirectory(TIFF *tif, uint32 diroff)

DESCRIPTION
       TIFFSetDirectory changes the current directory and reads	 its  contents
       with  TIFFReadDirectory.	  The  parameter  dirnum  specifies  the  sub‐
       file/directory as an integer number, with the first directory  numbered
       zero.

       TIFFSetSubDirectory acts like TIFFSetDirectory, except the directory is
       specified as a file offset instead of an index; this  is	 required  for
       accessing subdirectories linked through a SubIFD tag.

RETURN VALUES
       On  successful return 1 is returned. Otherwise, 0 is returned if dirnum
       or diroff specifies a  non-existent  directory,	or  if	an  error  was
       encountered while reading the directory's contents.

DIAGNOSTICS
       All error messages are directed to the TIFFError(3TIFF) routine.

       %s:  Error  fetching  directory	count.	An error was encountered while
       reading the ``directory count'' field.

       %s: Error fetching directory link.   An	error  was  encountered	 while
       reading the ``link value'' that points to the next directory in a file.

SEE ALSO
       TIFFCurrentDirectory(3TIFF), TIFFOpen(3TIFF), TIFFReadDirectory(3TIFF),
       TIFFWriteDirectory(3TIFF), libtiff(3TIFF)

       Libtiff library home page: http://www.remotesensing.org/libtiff/

libtiff			       October 15, 1995	       TIFFSetDirectory(3TIFF)
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