ttyslot(3C)
NAME
ttyslot − find the slot in the utmp 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 /var/adm/utmp file. The returned index is accomplished by scanning files in /dev for the name of the terminal associated with the standard input, the standard output, or the standard error output (0, 1, or 2).
RETURN VALUES
A value of −1 is returned if an error was encountered while searching for the terminal name or if none of the above file descriptors are associated with a terminal device.
FILES
/var/adm/utmp
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| MT-Level | Safe |
SEE ALSO
getutent(3C), ttyname(3C), attributes(5)
SunOS 5.6 — Last change: 29 Dec 1996