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
programs intended to be portable.
SEE ALSO
init(8)
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