#ifndef _EFAXIO_H#define _EFAXIO_H#include "efaxos.h"		/* TFILE definition */#ifndef uchar#define uchar unsigned char#endif#define CMDBUFSIZE 256		/* longest possible command or response */#define DLE_ETX "\020\003"	/* DLE-ETX (end of data) string */#define CAN_STR "\030"	        /* CAN (cancel reception) string */#define TO_RESET  50		/* t/o for modem reset commands (>>2.6s) */#define T_CMD     1		/* pause before each modem command */#define MAXDCEBUF  32		/* max bytes allowed in buffer when write */#define MINWRITE   64		/* minimum bytes to write() to modem */enum promptcodes {		/* codes for modem prompts */   BUSY = 'B', CONNECT = 'C', DATA='D', ERROR = 'E',    MODULATION='M', NO = 'N', OK = 'O', RING = 'R', VCONNECT = 'V' } ;		      /* Modem features */extern int c1, c20 ;		/* use class 1/class 2.0 */extern int c2 ;			/* force class 2 */extern int cmdpause ;		/* delay before each init command */extern int vfc ;		/* virtual flow control */extern uchar startchar ;	/* character to start reception */extern int lockpolldelay ;	/* milliseconds between checks of lock files */				/* response detector lookup tables */extern uchar rd_allowed[], rd_nexts[] ; #define RD_BEGIN 0x01#define RD_END   0x20		 /* Modem interface routines */int cmd ( TFILE *f, char *s , int t ) ;int ckcmd ( TFILE *f, int *err, char *s, int t, int r ) ;int modemsync ( TFILE *f ) ;char *sresponse ( char *s, int *ip ) ;char *strinresp ( char *s ) ;int getresp ( char *s, char *buf, int len ) ;int setup ( TFILE *f, char **cmds, int ignerr ) ;int sendbuf ( TFILE *f, uchar *p, int n, int dcecps ) ;int begin_session ( TFILE *f, char *fname, int reverse, int hwfc, char **lkfile, 		   ttymodes mode, void (*onsig) (int) ) ;int end_session ( TFILE *f, char **zcmd,  char **lkfile, int sync ) ;#endif