Updated to fedora-glibc-2_3-20050729T2336
[glibc.git] / termios / termios.h
blob9698b1fbd09aff6844b17432b206cb9726b5e75a
1 /* Copyright (C) 1991,92,93,94,96,97,98,99, 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
20 * POSIX Standard: 7.1-2 General Terminal Interface <termios.h>
23 #ifndef _TERMIOS_H
24 #define _TERMIOS_H 1
26 #include <features.h>
27 #ifdef __USE_UNIX98
28 /* We need `pid_t'. */
29 # include <bits/types.h>
30 # ifndef __pid_t_defined
31 typedef __pid_t pid_t;
32 # define __pid_t_defined
33 # endif
34 #endif
36 __BEGIN_DECLS
38 /* Get the system-dependent definitions of `struct termios', `tcflag_t',
39 `cc_t', `speed_t', and all the macros specifying the flag bits. */
40 #include <bits/termios.h>
42 #ifdef __USE_BSD
43 /* Compare a character C to a value VAL from the `c_cc' array in a
44 `struct termios'. If VAL is _POSIX_VDISABLE, no character can match it. */
45 # define CCEQ(val, c) ((c) == (val) && (val) != _POSIX_VDISABLE)
46 #endif
48 /* Return the output baud rate stored in *TERMIOS_P. */
49 extern speed_t cfgetospeed (__const struct termios *__termios_p) __THROW;
51 /* Return the input baud rate stored in *TERMIOS_P. */
52 extern speed_t cfgetispeed (__const struct termios *__termios_p) __THROW;
54 /* Set the output baud rate stored in *TERMIOS_P to SPEED. */
55 extern int cfsetospeed (struct termios *__termios_p, speed_t __speed) __THROW;
57 /* Set the input baud rate stored in *TERMIOS_P to SPEED. */
58 extern int cfsetispeed (struct termios *__termios_p, speed_t __speed) __THROW;
60 #ifdef __USE_BSD
61 /* Set both the input and output baud rates in *TERMIOS_OP to SPEED. */
62 extern int cfsetspeed (struct termios *__termios_p, speed_t __speed) __THROW;
63 #endif
66 /* Put the state of FD into *TERMIOS_P. */
67 extern int tcgetattr (int __fd, struct termios *__termios_p) __THROW;
69 /* Set the state of FD to *TERMIOS_P.
70 Values for OPTIONAL_ACTIONS (TCSA*) are in <bits/termios.h>. */
71 extern int tcsetattr (int __fd, int __optional_actions,
72 __const struct termios *__termios_p) __THROW;
75 #ifdef __USE_BSD
76 /* Set *TERMIOS_P to indicate raw mode. */
77 extern void cfmakeraw (struct termios *__termios_p) __THROW;
78 #endif
80 /* Send zero bits on FD. */
81 extern int tcsendbreak (int __fd, int __duration) __THROW;
83 /* Wait for pending output to be written on FD.
85 This function is a cancellation point and therefore not marked with
86 __THROW. */
87 extern int tcdrain (int __fd);
89 /* Flush pending data on FD.
90 Values for QUEUE_SELECTOR (TC{I,O,IO}FLUSH) are in <bits/termios.h>. */
91 extern int tcflush (int __fd, int __queue_selector) __THROW;
93 /* Suspend or restart transmission on FD.
94 Values for ACTION (TC[IO]{OFF,ON}) are in <bits/termios.h>. */
95 extern int tcflow (int __fd, int __action) __THROW;
98 #ifdef __USE_UNIX98
99 /* Get process group ID for session leader for controlling terminal FD. */
100 extern __pid_t tcgetsid (int __fd) __THROW;
101 #endif
104 #ifdef __USE_BSD
105 # include <sys/ttydefaults.h>
106 #endif
108 __END_DECLS
110 #endif /* termios.h */