NAME

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

SYNOPSIS

#include <stdlib.h>

int ttyslot(void);

MT-LEVEL

Safe

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

SEE ALSO

getutent(3C), ttyname(3C)

Sun Microsystems  —  Last change: 22 Jan 1993