TTYNAME(3) — UNIX Programmer’s Manual
NAME
ttyname, ttyslot − find name of a terminal
SYNOPSIS
char *ttyname(fildes)
int fildes;
ttyslot()
DESCRIPTION
Ttyname returns a pointer to the null-terminated path name of the terminal device associated with file descriptor fildes.
Ttyslot returns the number of the entry in the ttys(5) file for the control terminal of the current process.
FILES
/dev/∗
/etc/ttys
SEE ALSO
DIAGNOSTICS
Ttyname returns a null pointer (0) if fildes does not describe a terminal device in directory ’/dev’.
Ttyslot returns 0 if ’/etc/ttys’ is inaccessible or if it cannot determine the control terminal.
BUGS
The return value points to static data whose content is overwritten by each call.
7th Edition