225    int blockSize = 512, i, numBlocks;  in Read()  local
238          numBlocks = 1;  in Read()
241          numBlocks = numBytes / blockSize;  in Read()
243             numBlocks++;  in Read()
244          tempSpace = new char [numBlocks * blockSize];  in Read()
252       ReadFile(fd, tempSpace, numBlocks * blockSize, &retval, NULL);  in Read()
258       if (((numBlocks * blockSize) != numBytes) && (retval > 0))  in Read()
269    int blockSize = 512, i, numBlocks, retval = 0;  in Write()  local
282          numBlocks = 1;  in Write()
285          numBlocks = numBytes / blockSize;  in Write()
286          if ((numBytes % blockSize) != 0) numBlocks++;  in Write()
287          tempSpace = new char [numBlocks * blockSize];  in Write()
298       for (i = numBytes; i < numBlocks * blockSize; i++) {  in Write()
301       WriteFile(fd, tempSpace, numBlocks * blockSize, &numWritten, NULL);  in Write()
305       if (((numBlocks * blockSize) != numBytes) && (retval > 0))  in Write()