C API: Add `Py_GetBuildInType` and `Py_GetBuildInTypeBorrowed`

A fleshed-out proposal for exposing them as constants: Getting exceptions & built-in types using `Py_GetConstant`

1 Like

We do not have custom header files (yet?). As we are aiming to support CPythons abi3t. That’s what started this discussion in the first place.