1.\" $OpenBSD: resettodr.9,v 1.8 2020/06/26 18:48:31 cheloha Exp $ 2.\" $NetBSD: resettodr.9,v 1.1 1995/11/25 21:24:51 perry Exp $ 3.\" 4.\" Copyright (c) 1994 Christopher G. Demetriou 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by Christopher G. Demetriou 18.\" for the NetBSD Project. 19.\" 3. The name of the author may not be used to endorse or promote products 20.\" derived from this software without specific prior written permission 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32.\" 33.Dd $Mdocdate: June 26 2020 $ 34.Dt RESETTODR 9 35.Os 36.Sh NAME 37.Nm resettodr 38.Nd set battery-backed clock from system time 39.Sh SYNOPSIS 40.Ft void 41.Fn resettodr "void" 42.Sh DESCRIPTION 43The 44.Fn resettodr 45function sets the system's battery backed clock to a value based on the 46output of a function such as 47.Xr microtime 9 . 48.Sh SEE ALSO 49.Xr inittodr 9 , 50.Xr microtime 9 51