/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ typedef struct {	char	*t;	int	fd;	int	cfd;	char	*id;	char	response[128];	char	error[128]; 	int	fax;	char	phase;	char	ftsi[128];		/* remote ID */	long	fdcs[8];		/* frame information */	long	fpts[8];		/* page reception response */	long	fet;			/* post page message */	long	fhng;			/* call termination status */	int	pageno;			/* current page number */	char	pageid[128];		/* current page file */	int	pagefd;			/* current page fd */	int	valid;			/* valid page responses */	long	time;			/* timestamp */	int	pid; 	char	ibuf[1024];		/* modem input buffering */	char	*iptr;	long	icount; 	Biobuf	*bp;			/* file input buffering */ 	/* FDCS parameters */	long	wd;			/* width */	long	vr;			/* resolution */	long	ln;			/* page size (length) */	long	df;			/* huffman encoding */} Modem; enum {					/* ResultCodes */	Rok		= 0,	Rconnect,	Rring,	Rfailure,	Rrerror,	Rcontinue,	Rhangup,	Rnoise,}; enum {					/* ErrorCodes */	Eok	= 0,	/* no error */	Eattn,		/* can't get modem's attention */	Enoresponse,	/* no response from modem */	Enoanswer,	/* no answer from other side */	Enofax,		/* other side isn't a fax machine */	Eincompatible,	/* transmission incompatible with receiver */	Esys,		/* system call error */	Eproto,		/* fax protocol botch */}; enum {					/* things that are valid */	Vfdcs		= 0x0001,	/* page responses */	Vftsi		= 0x0002,	Vfpts		= 0x0004,	Vfet		= 0x0008,	Vfhng		= 0x0010, 	Vwd		= 0x4000,	Vtype		= 0x8000,}; /* fax2modem.c */extern int initfaxmodem(Modem*);extern int fcon(Modem*);extern int ftsi(Modem*);extern int fdcs(Modem*);extern int fcfr(Modem*);extern int fpts(Modem*);extern int fet(Modem*);extern int fhng(Modem*); /* fax2receive.c */extern int faxreceive(Modem*, char*); /* fax2send.c */extern int faxsend(Modem*, int, char*[]); /* modem.c */extern int setflow(Modem*, int);extern int setspeed(Modem*, int);extern int rawmchar(Modem*, char*);extern int getmchar(Modem*, char*, long);extern int putmchar(Modem*, char*);extern int command(Modem*, char*);extern int response(Modem*, int);extern void initmodem(Modem*, int, int, char*, char*);extern void xonoff(Modem*, int); /* spool.c */extern void setpageid(char*, char*, long, int, int);extern int createfaxfile(Modem*, char*);extern int openfaxfile(Modem*, char*); /* subr.c */extern void verbose(char*, ...);extern void error(char*, ...);extern int seterror(Modem*, int);extern void faxrlog(Modem*, int);extern void faxxlog(Modem*, int);extern int vflag;