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#ifndef _EFAXOS_H
#define _EFAXOS_H
#ifdef DEBIAN
#include <time.h>
#endif
#ifndef PATH_MAX
#ifdef FILENAME_MAX
#define PATH_MAX FILENAME_MAX
#else
#define PATH_MAX 255
#endif
#endif
/* 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, *op, *oq ;
unsigned char ibuf [ IBUFSIZE ], obuf[ OBUFSIZE ] ;
unsigned char *ibitorder, *obitorder ;
int bytes, pad, lines ;
time_t start ;
long mstart ;
} 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++ )
/* tgetd() also removes DLE escapes, detects DLE-ETX terminators
and fixes bit order. Evaluates to the next character, EOF on
error/timeout, or -2 on DLE-ETX. */
#define IBUFC(f) ( ((unsigned char*)(f)->ip)[-1] )
#define tgetd(f,t) ( tgetc(f,t) < 0 ? EOF : \
IBUFC(f) != DLE ? (f)->ibitorder[ IBUFC(f) ] : \
tgetc(f,t) == ETX ? -2 : \
( IBUFC(f) == DLE || IBUFC(f) == SUB ) ? (f)->ibitorder [ DLE ] : \
msg ( "W0invalid escape sequence (DLE-%s) in data", \
cname ( IBUFC(f) ) ) )
/* tputc() is a macro like putc(). It evaluates to the character
written or EOF on error. */
#define tputc(c,f,t) ( (f)->op >= (f)->oq && tflush(f,t) == EOF ? EOF : \
(unsigned char) ( *(f)->op++ = (c) ) )
/* tobytes() evaluates to the number of bytes in the output
buffer */
#define tobytes(f) ( (f)->op - (f)->obuf )
int tundrflw ( TFILE *f, int t ) ;
int tflush ( TFILE *f, int t ) ;
int toclear ( TFILE *f ) ;
int tdata ( TFILE *f, int t ) ;
void tinit ( TFILE *f, int fd, int reverse ) ;
int ttyopen ( TFILE *f, char *fname, int reverse ) ;
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 HDBLKFLAG '#' /* prefix to force HDB (text) 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/fax"
#endif
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