.Dd 2015-10-08
.Dt TTY 1
.Os sbase
.Sh NAME
.Nm tty
.Nd print terminal name
.Sh SYNOPSIS
.Nm
.Sh DESCRIPTION
.Nm
writes the name of the terminal open on stdin to stdout.
.Sh EXIT STATUS
.Bl -tag -width Ds
.It 0
stdin is a terminal.
.It 1
stdin is not a terminal.
.It > 1
An error occurred.
.El
.Sh SEE ALSO
.Xr ttyname 3
.Sh STANDARDS
The
.Nm
utility is compliant with the
.St -p1003.1-2013
specification.