OPENSSL_store_u32_be
OPENSSL_store_u32_be(adrs + SLH_ADRS_OFF_HASH_ADDR, in);
OPENSSL_store_u32_be(adrsc + SLH_ADRSC_OFF_KEYPAIR_ADDR, in);
OPENSSL_store_u32_be(adrsc + SLH_ADRSC_OFF_CHAIN_ADDR, in);
OPENSSL_store_u32_be(adrsc + SLH_ADRSC_OFF_HASH_ADDR, in);
OPENSSL_store_u32_be(adrs + SLH_ADRS_OFF_LAYER_ADR, layer);
OPENSSL_store_u32_be(adrs + SLH_ADRS_OFF_TYPE, type);
OPENSSL_store_u32_be(adrs + SLH_ADRS_OFF_KEYPAIR_ADDR, in);
OPENSSL_store_u32_be(adrs + SLH_ADRS_OFF_CHAIN_ADDR, in);
pos = OPENSSL_store_u32_be(pos, p8fmt->p8_magic);
pos = OPENSSL_store_u32_be(pos, p8fmt->priv_magic);
pos = OPENSSL_store_u32_be(pos, p8fmt->p8_magic);
pos = OPENSSL_store_u32_be(pos, p8fmt->priv_magic);
restout = OPENSSL_store_u32_be(out, u32);