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)