.TH TTY 1 sbase\-VERSION .SH NAME tty \- print terminal name .SH SYNOPSIS .B tty .SH DESCRIPTION .B tty prints the name of the terminal open on stdin. .P The status code is 0 if stdin is a terminal, and 1 if not. If an error occurred the status code is 2. .SH SEE ALSO .IR ttyname (3)