Move COOKIE's file position to *POS bytes from the
beginning of the file (if W is SEEK_SET),
the current position (if W is SEEK_CUR),
or the end of the file (if W is SEEK_END).
Set *POS to the new file position.
Returns zero if successful, nonzero if not. native declaration : /home/aaime/devel/gdal/gdal-1.8.0/ogr/ogr_srs_api.h:1387