Define the macro countof if not already done.
Define the macro countof if not already done.

hildjj/COSE-C,cose-wg/COSE-C,jimsch/COSE-C,hildjj/COSE-C,cose-wg/COSE-C,jimsch/COSE-C,cose-wg/COSE-C,jimsch/COSE-C,hildjj/COSE-C