include/devices/winserial.h

   1 typedef void (*sigcallback)(char);
   2 typedef void (*keepalive)();
   3
   4 int OpenConnection(char *szPort, sigcallback fn, keepalive ka);
   5 int CloseConnection();
   6 int WriteCommBlock(LPSTR lpByte, DWORD dwBytesToWrite);
   7