Visual C 2008 Express 中的 wctype 位于何处？
我正在使用 Visual C 2008 Express 将第 3 方软件从 Linux 移植到 Windows。
我只在函数“wctype”上遇到麻烦。它在 %VCDIR%/include/wctype.h 文件中声明如下：
_MRTIMP2 wctype_t __cdecl wctype (const char *);
但是，当尝试链接时出现以下错误：
C:\test>cl test.c
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 15.00.30729.01 for 80x86
Copyright (C) Microsoft Corporation. All rights reserved.
test.c
Microsoft (R) Incremental Linker Version 9.00.30729.01
Copyright (C) Microsoft Corporation. All rights reserved.
/out:test.exe
test.obj
test.obj : error LNK2019: unresolved external symbol _wctype referenced in function _main
test.exe : fatal error LNK1120: 1 unresolved externals
测试代码如下：
#include <wctype.h>
int
main (void)
{
return (int) wctype ("alpha");
}
正如您在错误消息中看到的，代码编译正常，但无法链接。
该怎么办？我不是这个软件的开发人员，所以我不想用另一个函数替换“wctype”函数，因为它会让原始开发人员感到困惑。
感谢您的耐心等待。
PS 我还使用 Dependency Walker 查看了 MSVCRT90.DLL 文件的导入表，并且没有“wctype”函数。
I'm porting 3rd party software from Linux to Windows using Visual C 2008 Express.
I have trouble only with function `wctype'. It's declared in %VCDIR%/include/wctype.h file as follow:
_MRTIMP2 wctype_t __cdecl wctype (const char *);
But, when trying to link a have the following error:
C:\test>cl test.c
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 15.00.30729.01 for 80x86
Copyright (C) Microsoft Corporation. All rights reserved.
test.c
Microsoft (R) Incremental Linker Version 9.00.30729.01
Copyright (C) Microsoft Corporation. All rights reserved.
/out:test.exe
test.obj
test.obj : error LNK2019: unresolved external symbol _wctype referenced in function _main
test.exe : fatal error LNK1120: 1 unresolved externals
The test code is following:
#include <wctype.h>
int
main (void)
{
return (int) wctype ("alpha");
}
As you can see in error message, code is compiling OK, but cannot link.
What to do? I'm not a developer of this software, so I don't want to replace `wctype' function with another, because it can confuse original developers.
Thanks for patience.
P.S. I've also looked at MSVCRT90.DLL file's import table with Dependency Walker and there are no `wctype' function.
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试试这个：
cl test.c /link MSVCPRT.LIBTry this:
cl test.c /link MSVCPRT.LIB您需要链接到 libcp.lib，如下所述：
http ://msdn.microsoft.com/en-us/library/aa246681(VS.60).aspx
You need to link with libcp.lib as mentioned here:
http://msdn.microsoft.com/en-us/library/aa246681(VS.60).aspx
如果您使用msvcprt.lib，则必须根据您的设置重新分发DLL（例如MSVCP90.dll）。如果您不想重新分发，请尝试以下操作：
此处列出了要链接到的所有库（请查看底部）：http://msdn.microsoft.com/en-us/library/abx4dbyh.aspx
If you use msvcprt.lib you'll have to redistribute a DLL depending on your setup (e.g. MSVCP90.dll). If you don't want to redistribute try this:
A list of all the libraries to link to are here (look at the bottom): http://msdn.microsoft.com/en-us/library/abx4dbyh.aspx