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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /termios/termios.h
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diff --git a/termios/termios.h b/termios/termios.h
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+/* Copyright (C) 1991, 1992, 1993, 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/*
+ *	POSIX Standard: 7.1-2 General Terminal Interface	<termios.h>
+ */
+
+#ifndef	_TERMIOS_H
+
+#define	_TERMIOS_H	1
+#include <features.h>
+
+__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 <termbits.h>
+
+#ifdef __USE_BSD
+/* 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 __P ((__const struct termios *__termios_p));
+
+/* Return the input baud rate stored in *TERMIOS_P.  */
+extern speed_t cfgetispeed __P ((__const struct termios *__termios_p));
+
+/* Set the output baud rate stored in *TERMIOS_P to SPEED.  */
+extern int cfsetospeed __P ((struct termios *__termios_p, speed_t __speed));
+
+/* Set the input baud rate stored in *TERMIOS_P to SPEED.  */
+extern int cfsetispeed __P ((struct termios *__termios_p, speed_t __speed));
+
+#ifdef	__USE_BSD
+/* Set both the input and output baud rates in *TERMIOS_OP to SPEED.  */
+extern void cfsetspeed __P ((struct termios *__termios_p, speed_t __speed));
+#endif
+
+
+/* Put the state of FD into *TERMIOS_P.  */
+extern int __tcgetattr __P ((int __fd, struct termios *__termios_p));
+extern int tcgetattr __P ((int __fd, struct termios *__termios_p));
+
+#ifdef	__OPTIMIZE__
+#define	tcgetattr(fd, termios_p)	__tcgetattr((fd), (termios_p))
+#endif /* Optimizing.  */
+
+/* Set the state of FD to *TERMIOS_P.
+   Values for OPTIONAL_ACTIONS (TCSA*) are in <termbits.h>.  */
+extern int tcsetattr __P ((int __fd, int __optional_actions,
+			   __const struct termios *__termios_p));
+
+
+#ifdef	__USE_BSD
+/* Set *TERMIOS_P to indicate raw mode.  */
+extern void cfmakeraw __P ((struct termios *__termios_p));
+#endif
+
+/* Send zero bits on FD.  */
+extern int tcsendbreak __P ((int __fd, int __duration));
+
+/* Wait for pending output to be written on FD.  */
+extern int tcdrain __P ((int __fd));
+
+/* Flush pending data on FD.
+   Values for QUEUE_SELECTOR (TC{I,O,IO}FLUSH) are in <termbits.h>.  */
+extern int tcflush __P ((int __fd, int __queue_selector));
+
+/* Suspend or restart transmission on FD.
+   Values for ACTION (TC[IO]{OFF,ON}) are in <termbits.h>.  */
+extern int tcflow __P ((int __fd, int __action));
+
+
+#ifdef __USE_BSD
+#include <sys/ttydefaults.h>
+#endif
+
+__END_DECLS
+
+#endif /* termios.h  */