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Miscellaneous Information Manual

NAME¶

termios - terminal input/output settings

LIBRARY¶

Standard C library (libc, -lc)

SYNOPSIS¶

#include <termios.h>

DESCRIPTION¶

The termios functions describe a general terminal interface that is provided to control asynchronous communications ports.

Retrieving and changing terminal settings¶

tcgetattr(3)
tcsetattr(3)

Canonical and noncanonical mode¶

See termios(3type).

Raw mode¶

cfmakeraw(3)

Line control¶

tcsendbreak(3)
tcdrain(3)
tcflush(3)
tcflow(3)

Line speed¶

cfgetospeed(3)
cfsetospeed(3)
cfgetispeed(3)
cfsetispeed(3)
cfsetspeed(3)

STANDARDS¶

POSIX.1-2024.

HISTORY¶

POSIX.1-2001, BSD.

SEE ALSO¶

reset(1), setterm(1), stty(1), tput(1), tset(1), tty(1), ioctl_console(2), ioctl_tty(2), cc_t(3type), speed_t(3type), tcflag_t(3type), setserial(8)

2026-07-02

Linux man-pages 6.19