- BKE_bezt_subdivide_handles -> BKE_fcurve_bezt_subdivide_handles - binarysearch_bezt_index -> BKE_fcurve_bezt_binarysearch_index These functions are specific to F-Curves and don't make sense for other uses of BezTriple (curve-object data for e.g.) Also: - Move detailed doxygen comment above code, following code-style. - Mark bezt_add_to_cfra_elem unused.