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). 

FILES

/var/adm/utmp

SEE ALSO

getut(3C), ttyname(3C)

DIAGNOSTICS

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. 

  —  C Development Set