bhnd_nvram_val_next
while ((next = bhnd_nvram_val_next(value, next, &len)) != NULL)
while ((next = bhnd_nvram_val_next(value, next, &next_len))) {
const void *bhnd_nvram_val_next(bhnd_nvram_val *value,
elem = bhnd_nvram_val_next(value, elem, &elen);