Posted on 2010-05-25 10:49
S.l.e!ep.￠% 閱讀(228)
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C++
#include?
<
iostream
>
using
?
namespace
?std;
int
?function(
int
?x,
int
?y)
{
????
return
?x
+
y;
}
void
?main()
{
????
int
?(
*
p)(
int
?x,?
int
?y);
????
int
?i;
//
????p?=?(*function);
//
????p?=?function;
????i
=
(
*
function)(
1
,?
1
);
????i
=
function(
1
,?
1
);
}
(*函數名)?? 以前從未試過這種寫法，做了下測試
1. 地址是一樣的
2. 反匯編的代碼也是一樣的
19:?????? i=(*function)(1, 1);
00401078?? push??????? 1
0040107A?? push??????? 1
0040107C?? call??????? @ILT+0(function) (00401005)
00401081?? add???????? esp,8
00401084?? mov???????? dword ptr [ebp-8],eax
20:
21:?????? i=function(1, 1);
00401087?? push??????? 1
00401089?? push??????? 1
0040108B?? call??????? @ILT+0(function) (00401005)
00401090?? add???????? esp,8
00401093?? mov???????? dword ptr [ebp-8],eax
22:?? }