create and use a dll

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> The linker is not able to resolve the name of the imported function.

Hmm, this reminds me of my project. I use a multi-level, multi-dll workspace. Projects copy dlls as post-build commands.

Sometimes I have similair problems when I need to add new functions. Make sure you copy by hand or with pre-build commands your dlls. After the first build ld will be able to link properly. Or there is some runtime linking oprtion for the linker but I do not bother since I rarely need to add new functions.