/* dribble.h -- Functions and vars declared in dribble.c.

   Copyright 1993-2019 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.

   Originally written by Brian Fox. */

#if !defined (_DRIBBLE_H_)
#define _DRIBBLE_H_

/* When non-zero, it is a stream to write all input characters to for the
   duration of this info session. */
extern FILE *info_dribble_file;

/* Open a dribble file named NAME, perhaps closing an already open one.
   This sets the global variable INFO_DRIBBLE_FILE to the open stream. */
extern void open_dribble_file (char *name);

/* If there is a dribble file already open, close it. */
extern void close_dribble_file (void);

/* Write some output to our existing dribble file. */
extern void dribble (unsigned char byte);

#endif /* !_DRIBBLE_H_ */
