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

#pragma?comment（lib“ws2_32“）
#include?

#define?MAX_NUM?2
#define?clear（p）?ZeroMemory（p?sizeof?（p）?）;

//---------------------------------------------------------------------------
//??4bit?binary?to?char?0-F
char?Hex2Chr（?unsigned?char?n?）
{
	n?&=?0xF;
????if?（?n?????	return?（?char?）（?n?+?‘0‘?）;
????else
????	return?（?char?）（?n?-?10?+?‘A‘?）;
}
//---------------------------------------------------------------------------
//??char?0-F?to?4bit?binary
unsigned?char?Chr2Hex（?char?c?）
{
	if?（?c?>=?‘a‘?&&?c?<=?‘z‘?）??//??it‘s?toupper
????	c?=?c?-?‘a‘?+?‘A‘;
????if?（?c?>=?‘0‘?&&?c?<=?‘9‘?）
????	return?（?int?）（?c?-?‘0‘?）;
????else?if?（?c?>=?‘A‘?&&?c?<=?‘F‘?）
????	return?（?int?）（?c?-?‘A‘?+?10?）;
????else
????	return?-1;
}
//---------------------------------------------------------------------------
//??base64?code?table
//??0-63?:?A-Z（25）?a-z（51）?0-9（61）?+（62）?/（63）
char??base2Chr（?unsigned?char?n?）
{
	n?&=?0x3F;
	if?（?n?????	return?（?char?）（?n?+?‘A‘?）;
????else?if?（?n?????	return?（?char?）（?n?-?26?+?‘a‘?）;
????else?if?（?n?????	return?（?char?）（?n?-?52?+?‘0‘?）;
????else?if?（?n?==?62?）
????	return?‘+‘;
????else
????	return?‘/‘;
}
//---------------------------------------------------------------------------
unsigned?char?Chr2base（?char?c?）
{
	if?（?c?>=?‘A‘?&&?c?<=?‘Z‘?）
????	return?（?unsigned?char?）（?c?-?‘A‘?）;
????else?if?（?c?>=?‘a‘?&&?c?<=?‘z‘?）
????	return?（?unsigned?char?）（?c?-?‘a‘?+?26?）;
????else?if?（?c?>=?‘0‘?&&?c?<=?‘9‘?）
????	return?（?unsigned?char?）（?c?-?‘0‘?+?52?）;
????else?if?（?c?==?‘+‘?）
????	return?62;
????else?if?（?c?==?‘/‘?）
????	return?63;
????else
????????return?64;??//??無效字符
}
//---------------------------------------------------------------------------
//??aLen?為?aSrc?的大小，?aDest?所指的緩沖區必須至少為?aLen?的?3?倍！！！
//??返回?aDest?的長度
int?QPEncode（?char?*?const?aDest?const?unsigned?char?*?aSrc?int?aLen?）
{
	char?*?p?=?aDest;
????int????i?=?0;

????while?（?i++?????{
????	*p++?=?‘=‘;
????????*p++?=?Hex2Chr（?*aSrc?>>?4?）;
????????*p++?=?Hex2Chr（?*aSrc++?）;
????}
????*p?=?0;??//??aDest?is?an?ASCIIZ?string
	return?（?p?-?aDest?）;??//??exclude?the?end?of?zero
}
//---------------------------------------------------------------------------
//??aDest?所指的緩沖區必須至少為?aSrc?長度的?1/3?！！！
//??返回?aDest?的長度
int?QPDecode（?unsigned?char?*?const?aDest?const?char?*?aSrc?）
{
	unsigned?char?*?p?=?aDest;
????int?????????????n?=?strlen（?aSrc?）;
????unsigned?char???ch?cl;

????while?（?*aSrc?）??//??aSrc?is?an?ASCIIZ?string
????{
????	if?（?（?*aSrc?==?‘=‘?）?&&?（?n?-?2?>?0?）?）
????????{
????????	ch?=?Chr2Hex（?aSrc[1]?）;
????????????cl?=?Chr2Hex（?aSrc[2]?）;
????????????if?（?（?ch?==?（?unsigned?char?）-1?）?||?（?cl?==?（?unsigned?char?）-1?）?）
????????????	*p++?=?*aSrc++;
????????????else
????????????{
				*p++?=?（?ch?<????	?

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

????.......??????1425??2004-12-17?19:09??cn_xp（sp1）.bmp

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

?????????????????1425????????????????????1