C/C++判断dll是多少位的

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C/C++判断dll是多少位的
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#include <stdio.h>
  B5 [7 P( s" Y4 H' E- ~1 x' `#include <windows.h>
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int __stdcall CrnGetImageFileMachine(LPCSTR lpFileName)
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    IMAGE_DOS_HEADER idh;

+ N: j' B( [: r4 ^5 r2 |0 U& b    FILE *f = fopen(lpFileName, "rb");

: H+ w/ p% B% |8 {% C    fread(&idh, sizeof(idh), 1, f);


    IMAGE_FILE_HEADER ifh;

    fseek(f, idh.e_lfanew + 4, SEEK_SET);

' ^# V9 J  s8 c9 B    fread(&ifh, sizeof(ifh), 1, f);

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1 H% `1 i: R1 L- B, f8 G    fclose(f);

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: N; e/ l3 M: z3 Y. ^) j    return ifh.Machine;
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}
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! W- h+ j1 U. I* s// C/C++判断dll是多少位的
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    int n = CrnGetImageFileMachine("E:\\temp\\setup.exe");
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    if (n == 0x014C) ShowMessage("x86");
% N9 m; N7 p2 ]) \# c$ e3 o4 z    else if (n == 0x0200) ShowMessage("IA64");
    else if (n == 0x8664) ShowMessage("x64");
1 E  h8 U% a* o5 x8 O    else ShowMessage("抱歉检测不出来");
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