HANDLE _stdcall OpenUA300();
HANDLE _stdcall CloseUA300(HANDLE hUsbKbd);
void _stdcall ssinit(HANDLE hUsbKbd);
short int _stdcall ssad(HANDLE hUsbKbd,short int adch,short int gain);
UCHAR _stdcall GetVer(HANDLE hUsbKbd);
void _stdcall minit(HANDLE hUsbKbd, short fch,short chn,short int gain);
void _stdcall readdata(HANDLE hUsbKbd, short *addat,unsigned short fcode, long leng);
void _stdcall dout(HANDLE hUsbKbd, UCHAR ddat);
UCHAR _stdcall din(HANDLE hUsbKbd);
void _stdcall endread2(HANDLE hUsbKbd);
void _stdcall readdata2(HANDLE hUsbKbd, short *addat, long leng);
void _stdcall minit2(HANDLE hUsbKbd, short fch, short chn,unsigned short fcode, short gain);