thanks!
__declspec(dllimport): This symbol exists somewhere else. I [the linker] am going to try to pull it in from some library at [runtime? link time? I [ellery] don't remember]
__declspec(dllexport): This symbol exists in this image. I [the linker] am going to make it available to other dlls and executables if they want to use it.
C D
__declspec(dllimport) <-> export [apparently]
__declspec(dllexport) <-> extern export **
** with dmd on linux, apparently __declspec(dllexport) <-> [nothing]. Noticed this when trying to link to the python c api. But it could just be python isn't using dllexport.