func: Datum pg_cursor(FunctionCallInfo fcinfo) PortalHashEnt * hentry ; while ( ( hentry = ( hash_seq_search ( & hash_seq ) ) ) != ( ( void * ) 0 ) )  Portal portal = hentry -> portal ; bool nulls [ 6 ] ; if ( ! portal -> visible )  void * _vstart = ( void * ) nulls ; int _val = 0 ; Size _len = sizeof ( nulls ) ; if ( ( ( ( intptr_t ) _vstart ) & sizeof ( long ) - 1 ) == 0 && ( _len & sizeof ( long ) - 1 ) == 0 && _val == 0 && _len <= 1024 && 1024 != 0 )  memset ( _vstart , _val , _len ); while ( 0 )  