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Compiler Error C2537

Error Message

'specifier' : illegal linkage specification

Possible causes:

  1. The linkage specifier is not supported. Only the "C" linkage specifier is supported.

  2. "C" linkage is specified for more than one function in a set of overloaded functions. This is not allowed.

The following sample generates C2537:

// C2537.cpp
// compile with: /c
extern "c" void func();   // C2537
extern "C" void func2();   // OK

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