# 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)