Function: tty-type

tty-type is a function defined in term.c.

Signature

(tty-type &optional TERMINAL)

Documentation

Return the type of the tty device that TERMINAL uses.

Returns nil if TERMINAL is not on a tty device.

TERMINAL can be a terminal object, a frame, or nil (meaning the selected frame's terminal).

Probably introduced at or before Emacs version 23.1.

Source Code

// Defined in /usr/src/emacs/src/term.c
{
  char *name = tty_type_name (terminal);

  return (name? build_string (name) : Qnil);
}