ttyslot(3) — Subroutines
OSF
NAME
ttyslot − Finds the slot in the utmp file for the current user
LIBRARY
Standard C Library (libc.a)
SYNOPSIS
int ttyslot ( void );
DESCRIPTION
The ttyslot() function returns the index of the current user’s entry in the /etc/utmp file. The ttyslot() function scans the /etc/utmp file for the name of the terminal associated with the standard input, the standard output, or the error output file descriptors (0, 1, or 2).
RETURN VALUES
Upon successful completion, the ttyslot() function returns the index of the current user’s entry in the /etc/utmp file. Otherwise, if an error is encountered while searching for the terminal name, or if none of the first three file descriptors (0, 1, and 2) is associated with a terminal device, 0 (zero) is returned.
RELATED INFORMATION
Functions: getutent(3), ttyname(3)