AAMANDV:    0x070C5 << 15, // amand.d
	AAMORW:     0x070C6 << 15, // amor.w
	AAMORV:     0x070C7 << 15, // amor.d
	AAMXORW:    0x070C8 << 15, // amxor.w
	AAMXORV:    0x070C9 << 15, // amxor.d
	AAMMAXW:    0x070CA << 15, // ammax.w
	AAMMAXV:    0x070CB << 15, // ammax.d
	AAMMINW:    0x070CC << 15, // ammin.w
	AAMMINV:    0x070CD << 15, // ammin.d
	AAMMAXWU:   0x070CE << 15, // ammax.wu

	nonceSize int
	aead      func([]byte) (cipher.AEAD, error)
}{
	// RFC 9180, Section 7.3
	0x0001: {keySize: 16, nonceSize: 12, aead: aesGCMNew},
	0x0002: {keySize: 32, nonceSize: 12, aead: aesGCMNew},
	0x0003: {keySize: chacha20poly1305.KeySize, nonceSize: chacha20poly1305.NonceSize, aead: chacha20poly1305.New},
}

var SupportedKDFs = map[uint16]func() *hkdfKDF{
	// RFC 9180, Section 7.2

	EPOLL_CTL_ADD            = 0
	EPOLL_CTL_MOD            = 1
	EPOLL_CTL_DEL            = 2
	EPOLLRDNORM              = 0x0001
	EPOLLRDBAND              = 0x0002
	EPOLLIN                  = 0x0003
	EPOLLOUT                 = 0x0004
	EPOLLWRBAND              = 0x0008
	EPOLLPRI                 = 0x0010
	EPOLLERR                 = 0x0020
	EPOLLHUP                 = 0x0040
	EPOLLEXCLUSIVE           = 0x20000000

		v := (*syscall.DNSPTRData)(unsafe.Pointer(&p.Data[0]))
		ptrs = append(ptrs, absDomainName(windows.UTF16PtrToString(v.Host)))
	}
	return ptrs, nil
}

const dnsSectionMask = 0x0003

// returns only results applicable to name and resolves CNAME entries.
func validRecs(r *syscall.DNSRecord, dnstype uint16, name string) []*syscall.DNSRecord {
	cname := syscall.StringToUTF16Ptr(name)

	http2cipher_TLS_RSA_WITH_NULL_MD5                 uint16 = 0x0001
	http2cipher_TLS_RSA_WITH_NULL_SHA                 uint16 = 0x0002
	http2cipher_TLS_RSA_EXPORT_WITH_RC4_40_MD5        uint16 = 0x0003
	http2cipher_TLS_RSA_WITH_RC4_128_MD5              uint16 = 0x0004
	http2cipher_TLS_RSA_WITH_RC4_128_SHA              uint16 = 0x0005
	http2cipher_TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5    uint16 = 0x0006