static void
enable_termraw()
{
	struct termios	raw;

	/* Read the current terminal parameters for standard input. */
	if (tcgetattr(STDIN_FILENO, &raw) == -1) {
		die("tcgetattr while enabling raw mode");
	}

	/*
	 * Turn off software flow control. IXON: disable flow control,
	 * so named because XON and XOFF :)
	 *
	 * ICRNL: Don't interpret carriage returns as newlines.
	 *
	 * raw.c_iflag &= ~(ICRNL|IXON|BRKINT|INPCK|ISTRIP);
	 */

	/*
	 * Turn off the terminal's conversion of newlines -> carriage
	 * return + newline.
	 *
	 * raw.c_oflag &= ~(OPOST);
	 */

	/*
	 * Turn off the local ECHO mode, which we need to do in raw mode
	 * because what gets displayed is going to need extra control.
	 *
	 * ICANON: Turn off canonical mode.
	 *
	 * ISIG: Turn off SIGINT / SIGSTP processing.
	 *
	 * IEXTEN: turn off ^v processing.
	 *
	 * NOTE(kyle): look into cfmakeraw, which will require
	 * snapshotting. However, this skips all the notes about what
	 * it takes to put the terminal in raw mode.
	 *
	 * raw.c_lflag &= ~(ECHO|ICANON|ISIG|IEXTEN);
	 */

	/*
	 * The following are probably not really needed on modern
	 * terminals, but it's fashionable to do as much.
	 *
	 * BRKINT: break conditions trigger SIGINT.
	 *
	 * INPCK: parity checking, which might be useful over serial
	 * terminals?
	 *
	 * ISTRIP strips the high bit.
	 *
	 * CS: set character size to 8-bit.
	 * raw.c_iflag &= ~(BRKINT | INPCK | ISTRIP);
	 *
	 * NOTE(kyle): I had this set here, but then it turns out
	 * that it fuckled my terminal.
	 * raw.c_cflag |= CS8;
	 */

	/*
	 * Switched over to cfmakeraw.
	 */
	cfmakeraw(&raw);

	/*
	 * Set timeout for read(2).
	 *
	 * VMIN: what is the minimum number of bytes required for read
	 * to return?
	 *
	 * VTIME: max time before read(2) returns in hundreds of milli-
	 * seconds.
	 */
	raw.c_cc[VMIN] = 0;
	raw.c_cc[VTIME] = 1;

	/*
	 * Now write the terminal parameters to the current terminal,
	 * after flushing any waiting input out.
	 */
	if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw) == -1) {
		die("tcsetattr while enabling raw mode");
	}
}