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