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TIFFSetDirectory, TIFFSetSubDirectory - set the current directory for an open TIFF file
int TIFFSetDirectory(TIFF* tif, tdir_t dirnum)
int TIFFSetSubDirectory(TIFF* tif, uint32 diroff)
TIFFSetDirectory changes the current directory and reads its contents with TIFFReadDirec-
tory. The parameter dirnum specifies the subfile/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.
On successful return 1 is returned. Otherwise, 0 is returned if dirnum or diroff speci-
fies a non-existent directory, or if an error was encountered while reading the direc-
All error messages are directed to the TIFFError(3T) routine.
%s: Error fetching directory count. An error was encountered while reading the ``direc-
tory 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.
libtiff(3T), TIFFCurrentDirectory(3T), TIFFOpen(3T), TIFFReadDirectory(3T), TIFFWriteDi-
October 15, 1995 TIFFSetDirectory(3T)
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