NAME
ttyslot() — find the slot in the utmpx file of the current user
SYNOPSIS
#include <stdlib.h>
int ttyslot(void);
DESCRIPTION
ttyslot()
returns the index of the current user's entry in the
/etc/utmpx
file.
This is accomplished by scanning
/etc/utmpx
for the name of the terminal associated with the standard input,
standard output, or standard error (file descriptor 0, 1 or 2).
RETURN VALUE
ttyslot()
returns -1 if an error was encountered
while searching for the terminal name
or if none of file descriptors 0, 1, or 2
is associated with a terminal device.
WARNINGS
Obsolescent Interfaces
ttyslot()
is to be obsoleted at a future date.
STANDARDS CONFORMANCE
ttyslot(): XPG2
