#include <stdio.h>

  unsigned int code;
  unsigned char inbyte;
  char sInBuff[51] = {0};
  DWORD dwBytesRead = 0;

  printf("Hit any key when finished\n");

  // CAUTION: some of this may be repeated from template: don't double-dip
  while (!kbhit())
  {
    ReadFile(hSerial, sInBuff, 1, &dwBytesRead, NULL);
    
    if (dwBytesRead > 0)
    {					// if any bytes
      inbyte = sInBuff[0] & 0xFF;	// mask to 8 bits
      code = inbyte & mask;		// mask to relevant data