You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: syscall_windows.go
    path of file: ./repos/pigo/vendor/golang.org/x/sys/windows
    
    the code of the file until where you have to start completion: // Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Windows system calls.

package windows

import (
	errorspkg "errors"
	"sync"
	"syscall"
	"time"
	"unicode/utf16"
	"unsafe"
)

type Handle uintptr

const (
	InvalidHandle = ^Handle(0)

	// Flags for DefineDosDevice.
	DDD_EXACT_MATCH_ON_REMOVE = 0x00000004
	DDD_NO_BROADCAST_SYSTEM   = 0x00000008
	DDD_RAW_TARGET_PATH       = 0x00000001
	DDD_REMOVE_DEFINITION     = 0x00000002

	// Retur
    
func FindFirstFile(name *uint16, data *Win32finddata) (handle Handle, err error) {
	// NOTE(rsc): The Win32finddata struct is wrong for the system call:
	// the two paths are each one uint16 short. Use the correct struct,
	// a win32finddata1, and then copy the results out.
	// There is no loss of expressivity here, because the final
	// uint16, if it is used, is supposed to be a NUL, and Go doesn't need that.
	// For Go 1.1, we might avoid the allocation of win32finddata1 here
	// by adding a final Bug [2]uint16 field to the struct and then
	// adjusting the fields in the result directly.
	var data1 win32finddata1
	handle, err = findFirstFile1(name, &data1)
	if err == nil {
		copyFindData(data, &data1)
	}
	return
}