usr.bin/bc/extern.h

   1 /*
   2  * $OpenBSD: extern.h,v 1.6 2006/03/18 20:44:43 otto Exp $
   3  */
   4
   5 /*
   6  * Copyright (c) 2003, Otto Moerbeek <otto@drijf.net>
   7  *
   8  * Permission to use, copy, modify, and distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  */
  20
  21 #include <stdbool.h>
  22 #include <stdio.h>
  23
  24 struct lvalue {
  25         ssize_t load;
  26         ssize_t store;
  27 };
  28
  29 struct termios;
  30
  31 int             yylex(void);
  32 void            yyerror(char *);
  33 void            fatal(const char *);
  34 void            abort_line(int);
  35 int             gettty(struct termios *);
  36 void            tstpcont(int);
  37 unsigned char   bc_eof(EditLine *, int);
  38
  39 extern int      lineno;
  40 extern char     *yytext;
  41 extern FILE     *yyin;
  42 extern int      fileindex;
  43 extern int      sargc;
  44 extern char     **sargv;
  45 extern char     *filename;
  46 extern char     *cmdexpr;
  47 extern struct termios ttysaved;
  48 extern bool      interactive;
  49 extern EditLine *el;
  50 extern History  *hist;
  51 extern HistEvent he;