VHANGUP Section: Linux Programmer's Manual (2) Updated: 24 July 2025 Index   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   Index NAME SYNOPSIS DESCRIPTION RETURN VALUE ERRORS CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:56:08 GMT, March 24, 2025