freebsd-dev/usr.bin/bc/extern.h
Xin LI 4218135bf7 Use libedit when interacting with tty, which provided history
functionality, etc. as did by GNU bc.

This also fixes an issue where BSDL bc can not handle very long
line.

Reported by:	imp
Reviewed by:	imp
2010-02-04 18:43:05 +00:00

43 lines
1.3 KiB
C

/* $FreeBSD$ */
/* $OpenBSD: extern.h,v 1.6 2006/03/18 20:44:43 otto Exp $ */
/*
* Copyright (c) 2003, Otto Moerbeek <otto@drijf.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
struct lvalue {
ssize_t load;
ssize_t store;
};
int yylex(void);
void yyerror(const char *);
void fatal(const char *);
void abort_line(int);
extern int lineno;
extern int fileindex;
extern int sargc;
extern const char **sargv;
extern const char *filename;
extern char *cmdexpr;
extern bool interactive;
extern EditLine *el;
extern History *hist;
extern HistEvent he;