函数指针

来源：互联网发布：优化csgo的显卡驱动编辑：程序博客网时间：2024/06/15 22:52

--- d:\vs2015\acode\genlist\genlist\main.cpp -----------------------------------int main(){008D1800  push        ebp  008D1801  mov         ebp,esp  008D1803  sub         esp,0C0h  008D1809  push        ebx  008D180A  push        esi  008D180B  push        edi  008D180C  lea         edi,[ebp-0C0h]  008D1812  mov         ecx,30h  008D1817  mov         eax,0CCCCCCCCh  008D181C  rep stos    dword ptr es:[edi]      Func1 = Func2;008D181E  mov         dword ptr [Func1 (08D8138h)],offset Func2 (08D101Eh)      //Func2();    //(*Func1)();    printf("%x\n", (*Func1));008D1828  mov         eax,dword ptr [Func1 (08D8138h)]  008D182D  push        eax  008D182E  push        offset string "%x\n" (08D6B40h)  008D1833  call        _printf (08D131Bh)  008D1838  add         esp,8      printf("%x\n", Func2);008D183B  push        offset Func2 (08D101Eh)  008D1840  push        offset string "%x\n" (08D6B40h)  008D1845  call        _printf (08D131Bh)  008D184A  add         esp,8      return 0;008D184D  xor         eax,eax  }008D184F  pop         edi  008D1850  pop         esi  008D1851  pop         ebx  008D1852  add         esp,0C0h  008D1858  cmp         ebp,esp  008D185A  call        __RTC_CheckEsp (08D1113h)  008D185F  mov         esp,ebp  008D1861  pop         ebp  008D1862  ret  --- 无源文件 -----------------------------------------------------------------------

</pre><pre class="cpp" name="code">#include <stdio.h>typedef int(*MyFunc)();MyFunc Func1;int Func2(){    printf("#########\n");    return 0;}int main(){    Func1 = Func2;    //Func2();    //(*Func1)();    printf("%x\n", (*Func1));    printf("%x\n", Func2);    return 0;}

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