if get4s(z[idx:]) != zcheader {
			break
		}
		meth := get2s(z[idx+10:])
		size := get4s(z[idx+24:])
		namelen := get2s(z[idx+28:])
		xlen := get2s(z[idx+30:])
		fclen := get2s(z[idx+32:])
		off := get4s(z[idx+42:])
		zname := z[idx+46 : idx+46+namelen]
		idx += 46 + namelen + xlen + fclen
		if zname != name {
			continue
		}
		if meth != 0 {

		limit = nameBufLen
	}
	// Avoid bugs in long file names
	// https://github.com/golang/tools/commit/5f9a5413737ba4b4f692214aebee582b47c8be74
	nameLen := bytes.IndexByte(nameBuf[:limit], 0)
	if nameLen < 0 {
		return 0, fmt.Errorf("failed to find terminating 0 byte in dirent")
	}
	return uint64(nameLen), nil

}

func direntReclen(buf []byte) (uint64, bool) {
	namelen, ok := direntNamlen(buf)
	return sizeOfDirent + namelen, ok
}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Namlen), unsafe.Sizeof(syscall.Dirent{}.Namlen))
}

func direntType(buf []byte) FileMode {
	off := unsafe.Offsetof(syscall.Dirent{}.Type)

        bufferIndex += 8;
        bufferIndex += 8;

        int nameLen = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        byte[] nameBytes = new byte[nameLen];
        System.arraycopy(buffer, bufferIndex, nameBytes, 0, nameBytes.length);
        bufferIndex += nameLen;
        this.fileName = new String(nameBytes, StandardCharsets.UTF_16LE);
        return bufferIndex - start;

		//	18	csize[4]
		//	22	uncsize[4]
		//	26	namelen[2]
		//	28	xlen[2]
		//	30	name[namelen]
		//	30+namelen+xlen - file data
		//
		buf = make([]byte, zheadersize+namelen)
		if err := preadn(fd, buf, off); err != nil ||
			get4(buf) != zheader ||
			get2(buf[8:]) != meth ||
			get2(buf[26:]) != namelen ||
			string(buf[30:30+namelen]) != name {
			return nil, errors.New("corrupt zip file " + zipfile)
		}

     */
    @Override
    public int size () {
        int size = Smb2Constants.SMB2_HEADER_LENGTH + 56;
        int nameLen = 2 * this.name.length();
        if ( nameLen == 0 ) {
            nameLen++;
        }

        size += size8(nameLen);
        if ( this.createContexts != null ) {
            for ( CreateContextRequest ccr : this.createContexts ) {

	}
	return
}

func regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) {

	SYS_CONNECTAT                = 539 // { int connectat(int fd, int s, caddr_t name, int namelen); }
	SYS_CHFLAGSAT                = 540 // { int chflagsat(int fd, const char *path, u_long flags, int atflag); }
	SYS_ACCEPT4                  = 541 // { int accept4(int s, struct sockaddr * __restrict name, __socklen_t * __restrict anamelen, int flags); }

	SYS_CONNECTAT                = 539 // { int connectat(int fd, int s, caddr_t name, int namelen); }
	SYS_CHFLAGSAT                = 540 // { int chflagsat(int fd, const char *path, u_long flags, int atflag); }
	SYS_ACCEPT4                  = 541 // { int accept4(int s, struct sockaddr * __restrict name, __socklen_t * __restrict anamelen, int flags); }

	SYS_CONNECTAT                = 539 // { int connectat(int fd, int s, caddr_t name, int namelen); }
	SYS_CHFLAGSAT                = 540 // { int chflagsat(int fd, const char *path, u_long flags, int atflag); }
	SYS_ACCEPT4                  = 541 // { int accept4(int s, struct sockaddr * __restrict name, __socklen_t * __restrict anamelen, int flags); }