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Edit File: termios.h
/* Copyright (C) 1991-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C 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. The GNU C 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ /* * POSIX Standard: 7.1-2 General Terminal Interface <termios.h> */ #ifndef _TERMIOS_H #define _TERMIOS_H 1 #include <features.h> #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 /* We need `pid_t'. */ # include <bits/types.h> # ifndef __pid_t_defined typedef __pid_t pid_t; # define __pid_t_defined # endif #endif __BEGIN_DECLS /* Get the system-dependent definitions of `struct termios', `tcflag_t', `cc_t', `speed_t', and all the macros specifying the flag bits. */ #include <bits/termios.h> #ifdef __USE_MISC /* Compare a character C to a value VAL from the `c_cc' array in a `struct termios'. If VAL is _POSIX_VDISABLE, no character can match it. */ # define CCEQ(val, c) ((c) == (val) && (val) != _POSIX_VDISABLE) #endif /* Return the output baud rate stored in *TERMIOS_P. */ extern speed_t cfgetospeed (const struct termios *__termios_p) __THROW; /* Return the input baud rate stored in *TERMIOS_P. */ extern speed_t cfgetispeed (const struct termios *__termios_p) __THROW; /* Set the output baud rate stored in *TERMIOS_P to SPEED. */ extern int cfsetospeed (struct termios *__termios_p, speed_t __speed) __THROW; /* Set the input baud rate stored in *TERMIOS_P to SPEED. */ extern int cfsetispeed (struct termios *__termios_p, speed_t __speed) __THROW; #ifdef __USE_MISC /* Set both the input and output baud rates in *TERMIOS_OP to SPEED. */ extern int cfsetspeed (struct termios *__termios_p, speed_t __speed) __THROW; #endif /* Put the state of FD into *TERMIOS_P. */ extern int tcgetattr (int __fd, struct termios *__termios_p) __THROW; /* Set the state of FD to *TERMIOS_P. Values for OPTIONAL_ACTIONS (TCSA*) are in <bits/termios.h>. */ extern int tcsetattr (int __fd, int __optional_actions, const struct termios *__termios_p) __THROW; #ifdef __USE_MISC /* Set *TERMIOS_P to indicate raw mode. */ extern void cfmakeraw (struct termios *__termios_p) __THROW; #endif /* Send zero bits on FD. */ extern int tcsendbreak (int __fd, int __duration) __THROW; /* Wait for pending output to be written on FD. This function is a cancellation point and therefore not marked with __THROW. */ extern int tcdrain (int __fd); /* Flush pending data on FD. Values for QUEUE_SELECTOR (TC{I,O,IO}FLUSH) are in <bits/termios.h>. */ extern int tcflush (int __fd, int __queue_selector) __THROW; /* Suspend or restart transmission on FD. Values for ACTION (TC[IO]{OFF,ON}) are in <bits/termios.h>. */ extern int tcflow (int __fd, int __action) __THROW; #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 /* Get process group ID for session leader for controlling terminal FD. */ extern __pid_t tcgetsid (int __fd) __THROW; #endif #ifdef __USE_MISC # include <sys/ttydefaults.h> #endif __END_DECLS #endif /* termios.h */