.c and .cpp files in one visual studio project

I think you just need to go to the Project Properties page -> Configuration Properties -> C/C++ -> Advanced and select "Compile as C Code" under the option "Compile As".

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Original post by AverageJoeSSU will it compile the the C files as C and the CPP files as C++?

Yes.

Keep in mind that if you have headers that are included by both .c and .cpp files, they may be interpreted differently in the two cases. For safety, any declarations of C functions should be enclosed in a conditional extern "C" block.

great! thanks!

Quote:

Original post by Sneftel For safety, any declarations of C functions should be enclosed in a conditional extern "C" block.

Not just for safety, but for interoperability.

C++ names are mangled, C names are not. The linker will not find matching functions if you don't mark correctly.