1/* Copyright (C) 1991,92,93,94,96,97,98,99, 2003 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19/* 20 * POSIX Standard: 7.1-2 General Terminal Interface <termios.h> 21 */ 22 23#ifndef _TERMIOS_H 24#define _TERMIOS_H 1 25 26#include <features.h> 27#ifdef __USE_UNIX98 28/* We need `pid_t'. */ 29# include <bits/types.h> 30# ifndef __pid_t_defined 31typedef __pid_t pid_t; 32# define __pid_t_defined 33# endif 34#endif 35 36__BEGIN_DECLS 37 38/* Get the system-dependent definitions of `struct termios', `tcflag_t', 39 `cc_t', `speed_t', and all the macros specifying the flag bits. */ 40#include <bits/termios.h> 41 42#ifdef __USE_BSD 43/* Compare a character C to a value VAL from the `c_cc' array in a 44 `struct termios'. If VAL is _POSIX_VDISABLE, no character can match it. */ 45# define CCEQ(val, c) ((c) == (val) && (val) != _POSIX_VDISABLE) 46#endif 47 48/* Return the output baud rate stored in *TERMIOS_P. */ 49extern speed_t cfgetospeed (__const struct termios *__termios_p) __THROW; 50 51/* Return the input baud rate stored in *TERMIOS_P. */ 52extern speed_t cfgetispeed (__const struct termios *__termios_p) __THROW; 53 54/* Set the output baud rate stored in *TERMIOS_P to SPEED. */ 55extern int cfsetospeed (struct termios *__termios_p, speed_t __speed) __THROW; 56 57/* Set the input baud rate stored in *TERMIOS_P to SPEED. */ 58extern int cfsetispeed (struct termios *__termios_p, speed_t __speed) __THROW; 59 60#ifdef __USE_BSD 61/* Set both the input and output baud rates in *TERMIOS_OP to SPEED. */ 62extern int cfsetspeed (struct termios *__termios_p, speed_t __speed) __THROW; 63#endif 64 65 66/* Put the state of FD into *TERMIOS_P. */ 67extern int tcgetattr (int __fd, struct termios *__termios_p) __THROW; 68 69/* Set the state of FD to *TERMIOS_P. 70 Values for OPTIONAL_ACTIONS (TCSA*) are in <bits/termios.h>. */ 71extern int tcsetattr (int __fd, int __optional_actions, 72 __const struct termios *__termios_p) __THROW; 73 74 75#ifdef __USE_BSD 76/* Set *TERMIOS_P to indicate raw mode. */ 77extern void cfmakeraw (struct termios *__termios_p) __THROW; 78#endif 79 80/* Send zero bits on FD. */ 81extern int tcsendbreak (int __fd, int __duration) __THROW; 82 83/* Wait for pending output to be written on FD. 84 85 This function is a cancellation point and therefore not marked with 86 __THROW. */ 87extern int tcdrain (int __fd); 88 89/* Flush pending data on FD. 90 Values for QUEUE_SELECTOR (TC{I,O,IO}FLUSH) are in <bits/termios.h>. */ 91extern int tcflush (int __fd, int __queue_selector) __THROW; 92 93/* Suspend or restart transmission on FD. 94 Values for ACTION (TC[IO]{OFF,ON}) are in <bits/termios.h>. */ 95extern int tcflow (int __fd, int __action) __THROW; 96 97 98#ifdef __USE_UNIX98 99/* Get process group ID for session leader for controlling terminal FD. */ 100extern __pid_t tcgetsid (int __fd) __THROW; 101#endif 102 103 104#ifdef __USE_BSD 105# include <sys/ttydefaults.h> 106#endif 107 108__END_DECLS 109 110#endif /* termios.h */ 111