756   long bytesperrow, file_offset, byte_count, rows, thisrow, i;  in do_sarray_io()  local
758   bytesperrow = (long)ptr->samplesperrow * sizeof(JSAMPLE);  in do_sarray_io()
759   file_offset = ptr->cur_start_row * bytesperrow;  in do_sarray_io()
771     byte_count = rows * bytesperrow;  in do_sarray_io()
789   long bytesperrow, file_offset, byte_count, rows, thisrow, i;  in do_barray_io()  local
791   bytesperrow = (long)ptr->blocksperrow * sizeof(JBLOCK);  in do_barray_io()
792   file_offset = ptr->cur_start_row * bytesperrow;  in do_barray_io()
804     byte_count = rows * bytesperrow;  in do_barray_io()
882       size_t bytesperrow = (size_t)ptr->samplesperrow * sizeof(JSAMPLE);  in access_virt_sarray()  local
886         jzero_far((void *)ptr->mem_buffer[undef_row], bytesperrow);  in access_virt_sarray()
966       size_t bytesperrow = (size_t)ptr->blocksperrow * sizeof(JBLOCK);  in access_virt_barray()  local
970         jzero_far((void *)ptr->mem_buffer[undef_row], bytesperrow);  in access_virt_barray()