.\" Copyright 2006-2015, Michael Kerrisk <mtk.manpages@gmail.com>
.\" Copyright, the authors of the Linux man-pages project
.\"
.\" SPDX-License-Identifier: GPL-2.0-or-later
.\"
.TH termios 7 2026-07-02 "Linux man-pages 6.19"
.SH NAME
termios
\-
terminal input/output settings
.SH LIBRARY
Standard C library
.RI ( libc ,\~ \-lc )
.SH SYNOPSIS
.nf
.B #include <termios.h>
.fi
.SH DESCRIPTION
The termios functions describe a general terminal interface that is
provided to control asynchronous communications ports.
.SS Retrieving and changing terminal settings
.TP
.BR tcgetattr (3)
.TQ
.BR tcsetattr (3)
.SS Canonical and noncanonical mode
See
.BR termios (3type).
.SS Raw mode
.TP
.BR cfmakeraw (3)
.SS Line control
.TP
.BR tcsendbreak (3)
.TQ
.BR tcdrain (3)
.TQ
.BR tcflush (3)
.TQ
.BR tcflow (3)
.SS Line speed
.TP
.BR cfgetospeed (3)
.TQ
.BR cfsetospeed (3)
.TQ
.BR cfgetispeed (3)
.TQ
.BR cfsetispeed (3)
.TQ
.BR cfsetspeed (3)
.SH STANDARDS
POSIX.1-2024.
.SH HISTORY
POSIX.1-2001, BSD.
.SH SEE ALSO
.BR reset (1),
.BR setterm (1),
.BR stty (1),
.BR tput (1),
.BR tset (1),
.BR tty (1),
.BR ioctl_console (2),
.BR ioctl_tty (2),
.BR cc_t (3type),
.BR speed_t (3type),
.BR tcflag_t (3type),
.BR setserial (8)