.TH TTYNAME 3
.SH NAME
ttyname \- file descriptor to terminal device name
.SH SYNOPSIS
.nf
.ft B
#define _POSIX_SOURCE	1
#include <unistd.h>

char *ttyname(int \fIfd\fP)
.ft P
.fi
.SH DESCRIPTION
.B Ttyname
searches through the
.B /dev
directory for the terminal device file that is associated with file
descriptor
.IR fd .
It returns the full path name of the terminal file if found, NULL is
returned otherwise.
.SH "SEE ALSO"
.BR ttyslot (3).
.SH AUTHOR
Kees J. Bot (kjb@cs.vu.nl)

.\"
.\" $PchId: ttyname.3,v 1.2 1996/04/11 06:42:17 philip Exp $