/usr/include/netax25/ttyutils.h is in libax25-dev 0.0.12-rc4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | /* LIBAX25 - Library for AX.25 programs
* Copyright (C) 1997-1999 Jonathan Naylor, Tomi Manninen, Jean-Paul Roubelat
* and Alan Cox.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Generic serial port handling functions.
*/
#ifndef _TTYUTILS_H
#define _TTYUTILS_H
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* Put a given file descriptor into raw mode, if the hwflag is set to TRUE
* then hardware handshaking is enabled. Returns TRUE if successful.
*/
extern int tty_raw(int fd, int hwflag);
/*
* Set the speed of the given file descriptor. Returns TRUE is it was
* successful.
*/
extern int tty_speed(int fd, int speed);
/*
* Determines whether a given tty is already open by another process. Returns
* TRUE if is already locked, or FALSE if it is free.
*/
extern int tty_is_locked(char *tty);
/*
* Creates a lock file for the given tty. It writes the process ID to the
* file so take care if doing a fork. Returns TRUE if everything was OK.
*/
extern int tty_lock(char *tty);
/*
* Removes the lock file for a given tty. Returns TRUE if successful.
*/
extern int tty_unlock(char *tty);
#ifdef __cplusplus
}
#endif
#endif
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