typedef struct tagPROTOSET{
LPSTR dwnload;                      // pointer to download dir
LPSTR upload;                       // pointer to upload dir
BYTE FAR *aspfxfer;                 // pointer to aspect file xfer flag
BYTE should_gif;                    // user wants gif files
BYTE xfer_dup_new;                  // duplicate new files
BYTE xfer_del_aborts;               // delete aborts
BYTE xfer_relaxed;                  // relaxed timing
LPSTR bigbuff;                      // fixed pointer to first 10240 bytes  of hPBits
LPSTR bigptr;                       // variable pointer to bigbuf bytes
LPSTR cbuff;                        // cbuff = bigbuff+10240, fixed pointer to last   1033 bytes of hPBits
int bdiag;                          // flag set if XFER status dialog box is desired
HWND hDlg1;                         // handle to XFER status dialog box
int hCommFile;                      // handle to open xfer file
LPSTR fileptr;                      // pointer to file data in hCommFile
WORD fdate;                         // DOS file date format of hCommFile
WORD fftime;                        // DOS file time format of hCommFile
char szRcvFile[20];                 // Filename of received file (all but b-plus)
char XferFile[128];                 // full pathname received file ( b-plus)
char szFullPath[128];               // full pathname for every protocol
char szTempDir[128];
char szTempName[20];                // temp filename, used in ShowXferBox
int errorcnt;                       // number of errors occured during xfer
int nackcount;                      // number of time nack txed or recieved during xfer
int blocksdone;                     // number of record blocks xfered
int bCancel;                        // Flag for user desire to cancel xfer
DWORD xwaittime;                    // timeout period for protocol xfers
int xcount;                         // number of rcved record bytes on xfer
DWORD flen;                         // total expected bytes of received file
long tflen;
DWORD runcnt;                       // total bytes of existing file, for calulating xfer rate (runcnt-tflen) is used
int rec_len;                        // length of record
int rec_no;                         // current rec_no being xfered
int  (FAR PASCAL *FlushCommW)(int,int);
int  (FAR PASCAL *ReadCommW)(int, LPSTR, int);
int  (FAR PASCAL *WriteCommW)(int, LPSTR, int);
int  (FAR PASCAL *GetCommErrorW)(int);
int  (FAR PASCAL *SetCommBreakW)(int);
int  (FAR PASCAL *ClearCommBreakW)(int);
int  (FAR PASCAL *SetCommStateW)(DCB FAR *);
int  (FAR PASCAL *GetCommStateW)(int, DCB FAR *);
int  (FAR PASCAL *EscapeCommFunctionW)(int, int);
int  (FAR PASCAL *UngetCommCharW)(int, char);

void  (FAR PASCAL *EndXfer)(void);               // End of xfer
int   (FAR PASCAL *FeedDisplay)(BYTE);           // Feed gif viewer a byte
void  (FAR PASCAL *startgif)(void);              // Start gif viewer
void  (FAR PASCAL *ShowXferBox)(int);            // Display file xfer status box
void  (FAR PASCAL *TimeToGo)(void);              // Update time of xfer in xfer status box
void  (FAR PASCAL *StatusLineDirect)(LPSTR);     // Statusline funtion call
int   setup;
char  dll_auto[12];

//char temp[66];

int  datalen;
int  Aborting;
DWORD no_char_wait;
int  retries;
int  pcstate;
int  bbegin;
int  end_record;
int  bpos;
BYTE  crc;
int  rcnt;
char temp[45];
}PROTOSET;

typedef struct tagMAIN{
HWND hWnd;                          // Handle to rghWnd[MAINWIN]
HANDLE hCid;                        // Handle to Open Comm Port
COMSTAT comstat;                    // open comm status
DCB dcb;                            // DCB of open comm port
int gifstate;                       // switch state for online gif viewer
HWND hSTATUSWnd;                    // Handle to Status window
char szTempName[128];               // temp filename, used in ShowXferBox
}MAIN;

typedef struct ADVANCEDSET
{
    UINT fRcvFileSelect		:1;      // default 0
    UINT fSendFileSelect 	:1;      // default 0
    UINT fRecLength128  	:1;      // default 0
    UINT fChecksum       	:1;      // default 0
    UINT fDummy        	   :4;      // default 0
} ADVANCEDSET;


BOOL FAR PASCAL LibMain(HANDLE,WORD,WORD,LPSTR );
WORD FAR PASCAL GET_DLL_CAPS( LPSTR );
void FAR PASCAL ADVANCED_DLL( PROTOSET FAR *, MAIN FAR *, HWND, LPSTR );
BOOL FAR PASCAL STARTDLL_XFER( PROTOSET FAR *, MAIN FAR *, HWND, LPSTR, int, int );
int FAR PASCAL DLL_XFER( PROTOSET FAR *, MAIN FAR *, HWND, LPSTR, int );
void FAR PASCAL WEP(int);

BOOL FAR PASCAL SetupDlgProc( HWND, WORD, WORD, LONG );
void RXING(void);
void WAITACK(void);
void NOCHAR(void);
void StartXRecord(int, LPSTR);
int WaitingForAck(void);
int GetXRecord(void);
BOOL MoreCharacters(void);
void ymodem_tx(void);
void End_It(int);
void StatusLine(WORD,LPSTR);
void LastError(int);
BOOL FileRxTX(int, LPSTR);


extern FAR PASCAL getftime( int );
extern FAR PASCAL getfdate( int );

#define SOH                     1
#define STX                     2
#define EOT                     4
#define ACK                     6
#define NAK                     21
#define CANCEL                  24

#define IDX_WAITACK             1
#define IDX_ACK                 2
#define IDX_TERMINATE           3
#define IDX_NOCHAR              4
#define IDX_EOT                 5
#define IDX_RXING               6
#define IDX_TXING               7


#define ID_ERR                  300
#define ID_BLKNO                301
#define ID_PERCENT              302
#define ID_UARTERR              303
#define ID_FILENAME             305
#define IDS_LASTERROR           1300
#define IDS_SETUP               1500

// dll protocol capabilities
#define DLL_CAP_SHOWXFER      0x0020
#define DLL_CAP_MULTISEND     0x0002
#define DLL_CAP_AUTODOWNLOAD  0x0001
#define DLL_CAP_PWOPENFILE    0x0004
#define DLL_CAP_RCVNEEDNAME   0x0008
#define DLL_CAP_ADVANCED      0x0080

#define ASP_PROT_SUCCESS   2
#define ASP_PROT_FAIL      3