/*
?*?adjtimex_1.c?-?read?and?possibly?modify?the?Linux?kernel?‘timex‘?variables.
?*
?*?Originally?written:?October?1997
?*?Last?hack:?May?2003
?*?Copyright?1997?2000?2003?Larry?Doolittle?
?*
?*??This?program?is?free?software;?you?can?redistribute?it?and/or?modify
?*??it?under?the?terms?of?the?GNU?General?Public?License?（Version?2
?*??June?1991）?as?published?by?the?Free?Software?Foundation.??At?the
?*??time?of?writing?that?license?was?published?by?the?FSF?with?the?URL
?*??http://www.gnu.org/copyleft/gpl.html?and?is?incorporated?herein?by
?*??reference.
?*
?*??This?program?is?distributed?in?the?hope?that?it?will?be?useful
?*??but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*??MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
?*??GNU?General?Public?License?for?more?details.
?*
?*?This?adjtimex（1）?is?very?similar?in?intent?to?adjtimex（8）?by?Steven
?*?Dick??and?Jim?Van?Zandt?
?*?（see?http://metalab.unc.edu/pub/Linux/system/admin/time/adjtimex*）.
?*?That?version?predates?this?one?and?is?_much_?bigger?and?more
?*?featureful.??My?independently?written?version?was?very?similar?to
?*?Steven‘s?from?the?start?because?they?both?follow?the?kernel?timex
?*?structure.??I?further?tweaked?this?version?to?be?equivalent?to?Steven‘s
?*?where?possible?but?I?don‘t?like?getopt_long?so?the?actual?usage
?*?syntax?is?incompatible.
?*
?*?Amazingly?enough?my?Red?Hat?5.2?sys/timex?（and?sub-includes）
?*?don‘t?actually?give?a?prototype?for?adjtimex（2）?so?building
?*?this?code?（with?-Wall）?gives?a?warning.??Later?versions?of
?*?glibc?fix?this?issue.
?*
?*?This?program?is?too?simple?for?a?Makefile?just?build?with:
?*??gcc?-Wall?-O?adjtimex_1.c?-o?adjtimex
?*/

#include?
#include?
#include?
#include?
#include?

static?struct?{int?bit;?const?char?*name;}?statlist[]?=?{
	{?STA_PLL???????“PLL“???????}
	{?STA_PPSFREQ???“PPSFREQ“???}
	{?STA_PPSTIME???“PPSTIME“???}
	{?STA_FLL???????“FFL“???????}
	{?STA_INS???????“INS“???????}
	{?STA_DEL???????“DEL“???????}
	{?STA_UNSYNC????“UNSYNC“????}
	{?STA_FREQHOLD??“FREQHOLD“??}
	{?STA_PPSSIGNAL?“PPSSIGNAL“?}
	{?STA_PPSJITTER?“PPSJITTER“?}
	{?STA_PPSWANDER?“PPSWANDER“?}
	{?STA_PPSERROR??“PPSERROR“??}
	{?STA_CLOCKERR??“CLOCKERR“??}
	{?0?NULL?}?};

static?const?char?*ret_code_descript[]?=?{
	“clock?synchronized“
	“insert?leap?second“
	“delete?leap?second“
	“leap?second?in?progress“
	“leap?second?has?occurred“
	“clock?not?synchronized“?};

static?void?usage（char?*prog）
{
	fprintf（stderr
		“Usage:?%s?[?-q?]?[?-o?offset?]?[?-f?frequency?]?[?-p?timeconstant?]?[?-t?tick?]\n“
		prog）;
}

int?main（int?argc?char?**?argv）
{
	struct?timex?txc;
	int?quiet=0;
	int?c?i?ret?sep;
	txc.modes=0;
	for?（;;）?{
		c?=?getopt（?argc?argv?“qo:f:p:t:“）;
		if?（c?==?EOF）?break;
		switch?（c）?{
			case?‘q‘:
				quiet=1;
				break;
			case?‘o‘:
				txc.offset?=?atoi（optarg）;
				

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1621??2008-01-01?01:13??ntpclient-2015\adjtimex.1

?????文件???????4452??2016-01-01?12:47??ntpclient-2015\adjtimex.c

?????文件???????2354??2008-01-01?01:21??ntpclient-2015\envelope

?????文件???????9414??2015-12-30?03:37??ntpclient-2015\HOWTO

?????文件????????320??2003-07-06?03:51??ntpclient-2015\log2date.pl

?????文件???????1357??2018-03-08?17:10??ntpclient-2015\Makefile

?????文件???????3041??2008-01-01?01:11??ntpclient-2015\ntpclient.1

?????文件??????19817??2016-01-01?12:46??ntpclient-2015\ntpclient.c

?????文件????????353??2010-12-28?14:13??ntpclient-2015\ntpclient.h

?????文件??????11267??2015-12-30?05:49??ntpclient-2015\phaselock.c

?????文件????????666??2003-07-14?11:52??ntpclient-2015\rate.awk

?????文件???????4745??2015-08-27?21:59??ntpclient-2015\rate2.awk

?????文件??????10431??2016-01-01?12:51??ntpclient-2015\README

?????文件??????12762??2006-10-28?09:22??ntpclient-2015\test.dat

?????文件????????844??2008-01-01?01:10??ntpclient-2015\todo

?????文件?????????58??2018-03-08?17:11??ntpclient-2015\usage?method.txt

?????目錄??????????0??2018-03-08?17:11??ntpclient-2015

-----------?---------??----------?-----??----

????????????????83502????????????????????17