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Compiler Warning (level 1) C4163

'identifier' : not available as an intrinsic function

The specified function cannot be used as an intrinsic function. The compiler ignores the invalid function name.

The following sample generates C4163:

// C4163.cpp
// compile with: /W1 /LD
#include <math.h>
#pragma intrinsic(mysin)   // C4163
// try the following line instead
// #pragma intrinsic(sin)