_mix_pool_bytes
_mix_pool_bytes(&entropy, sizeof(entropy));
_mix_pool_bytes(&num, sizeof(num));
_mix_pool_bytes(buf, len);
_mix_pool_bytes(&action, sizeof(action));
_mix_pool_bytes(stamps, sizeof(stamps));
_mix_pool_bytes(&entropy, sizeof(entropy));
_mix_pool_bytes(compiletime_seed, sizeof(compiletime_seed));
_mix_pool_bytes(entropy, sizeof(*entropy) * longs);
_mix_pool_bytes(entropy, sizeof(*entropy) * longs);
_mix_pool_bytes(init_utsname(), sizeof(*(init_utsname())));
_mix_pool_bytes(command_line, strlen(command_line));
_mix_pool_bytes(&now, sizeof(now));
_mix_pool_bytes(&entropy, sizeof(entropy));
_mix_pool_bytes(&entropy, sizeof(entropy));
_mix_pool_bytes(buf, len);