1  /* Copyright (C) 1992-2023 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
      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  }