C-API functions to implement
Implement the following C-API calls
H5
- H5StartTraverseSteps()
- H5TraverseSteps()
- H5HasAttachment() done
- H5GetAttachmentInfoByName() done
H5Part
- H5PartHasDataset()
- H5PartGetDatasetInfoByName()
Implement the following C-API calls
H5
H5Part