#ifndef _EFAXOS_H#define _EFAXOS_H#include <time.h>#include "efaxlib.h"/* signals to be caught */#define ANSISIGS  SIGABRT, SIGFPE, SIGILL, SIGINT, SIGSEGV, SIGTERM#define UNIXSIGS  SIGHUP, SIGQUIT, SIGIOT, SIGALRM#define CATCHSIGS ANSISIGS, UNIXSIGS/* Bit order reversal table. */extern unsigned char normalbits [ ] ;typedef enum ttymodes		/* serial port modes:  */{    COMMAND,			/*   19200 8N1, no f/c, DTR high */    SEND,			/*   19200 send-only XON/XOFF f/c */    VOICECOMMAND,		/*   38400 8N1, no f/c, DTR high */    VOICESEND,			/*   38400 send-only XON/XOFF f/c*/    DROPDTR,			/*   ", DTR low */    ORIGINAL			/*   restore original settings */} ttymodes ;/* OS-specific i/o & delay functions *//* We define new stream i/o macros because it's not possible to   do non-blocking reads/writes with C stream i/o [UNIX select()   gives the status of the file, not the stream buffer].*/#define IBUFSIZE 1024	    /* read up to this many bytes at a time from fax */#define OBUFSIZE 1024	    /* maximum bytes to write at a time to fax */typedef struct tfilestruct {  int fd ;  unsigned char *ip, *iq ;  unsigned char ibuf [ IBUFSIZE ] ;  unsigned char *ibitorder, *obitorder ;  int bytes, pad, lines ;  int hwfc ;  time_t start ;  long mstart ;  int rd_state ;} TFILE ;/* tgetc() is a macro like getc().  It evaluates to the next   character from the fax device or EOF after idle time t. */#define tgetc(f,t) ( (f)->ip >= (f)->iq && tundrflw(f,t) == EOF ? EOF : \		    *(unsigned char*)(f)->ip++ )int tundrflw ( TFILE *f, int t ) ;int tgetd ( TFILE *f, int t ) ;int tput ( TFILE *f, unsigned char *p, int n ) ;int tdata ( TFILE *f, int t ) ;void tinit ( TFILE *f, int fd, int reverse, int hwfc ) ;int ttyopen ( TFILE *f, char *fname, int reverse, int hwfc ) ;int ttymode ( TFILE *f, ttymodes mode ) ;void msleep ( int t ) ;long proc_ms ( void ) ;int time_ms ( void ) ;/* POSIX execl */extern int execl ( const char *path, const char *arg , ... ) ;/* UUCP-style device locks */#define BINLKFLAG '#'		/* prefix to force binary lock files */				/* [un]lock serial port using named files */int lockall ( char **lkfiles, int log ) ;int unlockall ( char **lkfiles ) ;/* extract program name to be used in messages from argv0 */  char *efaxbasename ( char *p ) ;/* default fax modem device */#define FAXFILE "/dev/modem"#endif