NAME

     vhangup - virtually hangup the current tty

SYNOPSIS

     #include <unistd.h>

     int vhangup(void);

DESCRIPTION

     vhangup simulates a hangup on the  current  terminal.   This
     call arranges for other users to have a "clean" tty at login
     time.

RETURN VALUE

     On success, zero is returned.  On error, -1 is returned, and
     errno is set appropriately.

ERRORS

     EPERM   The user is not the super-user.

CONFORMING TO

     This call is Linux-specific, and should not be used in  pro-
     grams intended to be portable.

SEE ALSO

     init(8)