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This error usually occurs when you did not include the file containing the symbol. Pls post more codes about your program.<br />

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This error usually occurs when you did not include the file containing the symbol. Pls post more codes about your program.


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what is the function that it is complaining about? &nbsp;Is this a function from a library you are using?<br />

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what is the function that it is complaining about?  Is this a function from a library you are using?


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Go to Project | Settings | C/C++ | Code Generation and make sure that the &quot;Use run-time library&quot; is on &quot;Multithreaded DLL&quot; (for Release builds) or &quot;Debug Multithreaded DLL&quot; (for Debug builds).<br />

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Go to Project | Settings | C/C++ | Code Generation and make sure that the "Use run-time library" is on "Multithreaded DLL" (for Release builds) or "Debug Multithreaded DLL" (for Debug builds).


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Using Microsoft visual C++ 5.0, I'm trying to compile a test program. &nbsp;However whenever I try to build the project, I get a Linker 2001 error. &nbsp;I think what is happening is that the linker is decorating the function names because in the output window the function names are preceded by an underscore. &nbsp;The question &nbsp;is, how do I fix this error?<br />
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Using Microsoft visual C++ 5.0, I'm trying to compile a test program.  However whenever I try to build the project, I get a Linker 2001 error.  I think what is happening is that the linker is decorating the function names because in the output window the function names are preceded by an underscore.  The question  is, how do I fix this error?



unresoved externals LNK 2001

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.