1 /* Copyright (C) 1992-2022 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, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <termios.h>
19 
20 /* Set *T to indicate raw mode.  */
21 void
cfmakeraw(struct termios * t)22 cfmakeraw (struct termios *t)
23 {
24   t->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
25   t->c_oflag &= ~OPOST;
26   t->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
27   t->c_cflag &= ~(CSIZE|PARENB);
28   t->c_cflag |= CS8;
29   t->c_cc[VMIN] = 1;		/* read returns when one char is available.  */
30   t->c_cc[VTIME] = 0;
31 }
32