Switch from STORAGE_SIZE to C_SIZEOF #703

Job	Run time
ci (Release, linux gnu-10)	5m 30s
ci (Release, linux clang-12)	4m 17s
ci (Release, linux nvhpc-21.9)	12m 49s
ci (Release, linux intel-classic)	7m 17s
ci (Release, macos)	6m 5s
ci (Debug, linux gnu-10)	9m 9s
ci (Debug, linux clang-12)	5m 8s
ci (Debug, linux nvhpc-21.9)	20m 57s
ci (Debug, linux intel-classic)	10m 54s
ci (Debug, macos)	6m 33s
	1h 28m 39s

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