# ttyname(3)

## NAME

         ttyname - file descriptor to terminal device name

## SYNOPSIS

         #define _POSIX_SOURCE 1
         #include <unistd.h>

         char *ttyname(int fd)

## DESCRIPTION

         Ttyname searches through the /dev directory for the terminal device  file
         that  is  associated  with  file descriptor fd.  It returns the full path
         name of the terminal file if found, NULL is returned otherwise.

## SEE ALSO

         ttyslot(3).

## AUTHOR

         Kees J. Bot (kjb@cs.vu.nl)