(PHP 4 >= 4.2.0)
pg_lo_seek -- 
     Seeks position of large object
    
Description
bool 
pg_lo_seek ( resource large_object, int offset [, int whence])
     pg_lo_seek() seeks position of large object
     resource. whence is PGSQL_SEEK_SET,
     PGSQL_SEEK_CUR or PGSQL_SEEK_END.
    
     See also pg_lo_tell().