ossl_param_bytes_to_blocks
p_blks = ossl_param_bytes_to_blocks((1 + num) * sizeof(*params));
pd->alloc_blocks = ossl_param_bytes_to_blocks(alloc);
param_blocks = ossl_param_bytes_to_blocks(param_count * sizeof(*src));
blks = ossl_param_bytes_to_blocks(param_sz);
size_t ossl_param_bytes_to_blocks(size_t bytes);