vhangup - virtually hangup the current terminal
#include <unistd.h>
int vhangup(void);Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
vhangup() simulates a hangup on the current terminal. This call arranges for other users to have a “clean” terminal at login time.
On success, zero is returned. On error, -1 is returned, and
errno is set to indicate the error.
init(1), capabilities(7)