NAME

ttyslot − find the slot in the utmp file of the current process

SYNOPSIS

int ttyslot()

DESCRIPTION

ttyslot() returns the index of the current user’s entry in /etc/utmp.  This is accomplished by actually scanning the file /etc/ttytab for the name of the terminal associated with the standard input, the standard output, or the error output (0, 1 or 2). 

RETURN VALUES

On success, ttyslot() returns the index of the current user’s entry in /etc/utmp.  If an error was encountered while searching for the terminal name or if none of the above file descriptors is associated with a terminal device, ttyslot() returns 0. 

SYSTEM V RETURN VALUES

If an error was encountered while searching for the terminal name or if none of the above file descriptors is associated with a terminal device, ttyslot() returns −1. 

FILES

/etc/ttytab

/etc/utmp

Solbourne Computer, Inc.  —  21 January 1990