SetFilePointer

// KERNEL32.dll
#include <windows.h>

DWORD SetFilePointer(
    HANDLE hFile,
    INT lDistanceToMove,
    INT* lpDistanceToMoveHigh,   // optional
    SET_FILE_POINTER_MOVE_METHOD dwMoveMethod
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetFilePointer(
    hFile As IntPtr,   ' HANDLE
    lDistanceToMove As Integer,   ' INT
    lpDistanceToMoveHigh As IntPtr,   ' INT* optional, in/out
    dwMoveMethod As UInteger   ' SET_FILE_POINTER_MOVE_METHOD
) As UInteger
End Function

' hFile : HANDLE
' lDistanceToMove : INT
' lpDistanceToMoveHigh : INT* optional, in/out
' dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD
Declare PtrSafe Function SetFilePointer Lib "kernel32" ( _
    ByVal hFile As LongPtr, _
    ByVal lDistanceToMove As Long, _
    ByVal lpDistanceToMoveHigh As LongPtr, _
    ByVal dwMoveMethod As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetFilePointer = ctypes.windll.kernel32.SetFilePointer
SetFilePointer.restype = wintypes.DWORD
SetFilePointer.argtypes = [
    wintypes.HANDLE,  # hFile : HANDLE
    ctypes.c_int,  # lDistanceToMove : INT
    ctypes.POINTER(ctypes.c_int),  # lpDistanceToMoveHigh : INT* optional, in/out
    wintypes.DWORD,  # dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetFilePointer = Fiddle::Function.new(
  lib['SetFilePointer'],
  [
    Fiddle::TYPE_VOIDP,  # hFile : HANDLE
    Fiddle::TYPE_INT,  # lDistanceToMove : INT
    Fiddle::TYPE_VOIDP,  # lpDistanceToMoveHigh : INT* optional, in/out
    -Fiddle::TYPE_INT,  # dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetFilePointer(
        hFile: *mut core::ffi::c_void,  // HANDLE
        lDistanceToMove: i32,  // INT
        lpDistanceToMoveHigh: *mut i32,  // INT* optional, in/out
        dwMoveMethod: u32  // SET_FILE_POINTER_MOVE_METHOD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern uint SetFilePointer(IntPtr hFile, int lDistanceToMove, IntPtr lpDistanceToMoveHigh, uint dwMoveMethod);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetFilePointer' -Namespace Win32 -PassThru
# $api::SetFilePointer(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod)

#uselib "KERNEL32.dll"
#func global SetFilePointer "SetFilePointer" sptr, sptr, sptr, sptr
; SetFilePointer hFile, lDistanceToMove, varptr(lpDistanceToMoveHigh), dwMoveMethod   ; 戻り値は stat
; hFile : HANDLE -> "sptr"
; lDistanceToMove : INT -> "sptr"
; lpDistanceToMoveHigh : INT* optional, in/out -> "sptr"
; dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetFilePointer = kernel32.NewProc("SetFilePointer")
)

// hFile (HANDLE), lDistanceToMove (INT), lpDistanceToMoveHigh (INT* optional, in/out), dwMoveMethod (SET_FILE_POINTER_MOVE_METHOD)
r1, _, err := procSetFilePointer.Call(
	uintptr(hFile),
	uintptr(lDistanceToMove),
	uintptr(lpDistanceToMoveHigh),
	uintptr(dwMoveMethod),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SetFilePointer(
  hFile: THandle;   // HANDLE
  lDistanceToMove: Integer;   // INT
  lpDistanceToMoveHigh: Pointer;   // INT* optional, in/out
  dwMoveMethod: DWORD   // SET_FILE_POINTER_MOVE_METHOD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'SetFilePointer';

result := DllCall("KERNEL32\SetFilePointer"
    , "Ptr", hFile   ; HANDLE
    , "Int", lDistanceToMove   ; INT
    , "Ptr", lpDistanceToMoveHigh   ; INT* optional, in/out
    , "UInt", dwMoveMethod   ; SET_FILE_POINTER_MOVE_METHOD
    , "UInt")   ; return: DWORD

●SetFilePointer(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod) = DLL("KERNEL32.dll", "dword SetFilePointer(void*, int, void*, dword)")
# 呼び出し: SetFilePointer(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod)
# hFile : HANDLE -> "void*"
# lDistanceToMove : INT -> "int"
# lpDistanceToMoveHigh : INT* optional, in/out -> "void*"
# dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "kernel32" fn SetFilePointer(
    hFile: ?*anyopaque, // HANDLE
    lDistanceToMove: i32, // INT
    lpDistanceToMoveHigh: [*c]i32, // INT* optional, in/out
    dwMoveMethod: u32 // SET_FILE_POINTER_MOVE_METHOD
) callconv(std.os.windows.WINAPI) u32;

proc SetFilePointer(
    hFile: pointer,  # HANDLE
    lDistanceToMove: int32,  # INT
    lpDistanceToMoveHigh: ptr int32,  # INT* optional, in/out
    dwMoveMethod: uint32  # SET_FILE_POINTER_MOVE_METHOD
): uint32 {.importc: "SetFilePointer", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
uint SetFilePointer(
    void* hFile,   // HANDLE
    int lDistanceToMove,   // INT
    int* lpDistanceToMoveHigh,   // INT* optional, in/out
    uint dwMoveMethod   // SET_FILE_POINTER_MOVE_METHOD
);

ccall((:SetFilePointer, "KERNEL32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Int32, Ptr{Int32}, UInt32),
      hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod)
# hFile : HANDLE -> Ptr{Cvoid}
# lDistanceToMove : INT -> Int32
# lpDistanceToMoveHigh : INT* optional, in/out -> Ptr{Int32}
# dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t SetFilePointer(
    void* hFile,
    int32_t lDistanceToMove,
    int32_t* lpDistanceToMoveHigh,
    uint32_t dwMoveMethod);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.SetFilePointer(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod)
-- hFile : HANDLE
-- lDistanceToMove : INT
-- lpDistanceToMoveHigh : INT* optional, in/out
-- dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('KERNEL32.dll');
const SetFilePointer = lib.func('__stdcall', 'SetFilePointer', 'uint32_t', ['void *', 'int32_t', 'int32_t *', 'uint32_t']);
// SetFilePointer(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod)
// hFile : HANDLE -> 'void *'
// lDistanceToMove : INT -> 'int32_t'
// lpDistanceToMoveHigh : INT* optional, in/out -> 'int32_t *'
// dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("KERNEL32.dll", {
  SetFilePointer: { parameters: ["pointer", "i32", "pointer", "u32"], result: "u32" },
});
// lib.symbols.SetFilePointer(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod)
// hFile : HANDLE -> "pointer"
// lDistanceToMove : INT -> "i32"
// lpDistanceToMoveHigh : INT* optional, in/out -> "pointer"
// dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t SetFilePointer(
    void* hFile,
    int32_t lDistanceToMove,
    int32_t* lpDistanceToMoveHigh,
    uint32_t dwMoveMethod);
C, "KERNEL32.dll");
// $ffi->SetFilePointer(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod);
// hFile : HANDLE
// lDistanceToMove : INT
// lpDistanceToMoveHigh : INT* optional, in/out
// dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    int SetFilePointer(
        Pointer hFile,   // HANDLE
        int lDistanceToMove,   // INT
        IntByReference lpDistanceToMoveHigh,   // INT* optional, in/out
        int dwMoveMethod   // SET_FILE_POINTER_MOVE_METHOD
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun SetFilePointer = SetFilePointer(
    hFile : Void*,   # HANDLE
    lDistanceToMove : Int32,   # INT
    lpDistanceToMoveHigh : Int32*,   # INT* optional, in/out
    dwMoveMethod : UInt32   # SET_FILE_POINTER_MOVE_METHOD
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SetFilePointerNative = Uint32 Function(Pointer<Void>, Int32, Pointer<Int32>, Uint32);
typedef SetFilePointerDart = int Function(Pointer<Void>, int, Pointer<Int32>, int);
final SetFilePointer = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<SetFilePointerNative, SetFilePointerDart>('SetFilePointer');
// hFile : HANDLE -> Pointer<Void>
// lDistanceToMove : INT -> Int32
// lpDistanceToMoveHigh : INT* optional, in/out -> Pointer<Int32>
// dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetFilePointer(
  hFile: THandle;   // HANDLE
  lDistanceToMove: Integer;   // INT
  lpDistanceToMoveHigh: Pointer;   // INT* optional, in/out
  dwMoveMethod: DWORD   // SET_FILE_POINTER_MOVE_METHOD
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'SetFilePointer';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetFilePointer"
  c_SetFilePointer :: Ptr () -> Int32 -> Ptr Int32 -> Word32 -> IO Word32
-- hFile : HANDLE -> Ptr ()
-- lDistanceToMove : INT -> Int32
-- lpDistanceToMoveHigh : INT* optional, in/out -> Ptr Int32
-- dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let setfilepointer =
  foreign "SetFilePointer"
    ((ptr void) @-> int32_t @-> (ptr int32_t) @-> uint32_t @-> returning uint32_t)
(* hFile : HANDLE -> (ptr void) *)
(* lDistanceToMove : INT -> int32_t *)
(* lpDistanceToMoveHigh : INT* optional, in/out -> (ptr int32_t) *)
(* dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("SetFilePointer" set-file-pointer :convention :stdcall) :uint32
  (h-file :pointer)   ; HANDLE
  (l-distance-to-move :int32)   ; INT
  (lp-distance-to-move-high :pointer)   ; INT* optional, in/out
  (dw-move-method :uint32))   ; SET_FILE_POINTER_MOVE_METHOD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetFilePointer = Win32::API::More->new('KERNEL32',
    'DWORD SetFilePointer(HANDLE hFile, int lDistanceToMove, LPVOID lpDistanceToMoveHigh, DWORD dwMoveMethod)');
# my $ret = $SetFilePointer->Call($hFile, $lDistanceToMove, $lpDistanceToMoveHigh, $dwMoveMethod);
# hFile : HANDLE -> HANDLE
# lDistanceToMove : INT -> int
# lpDistanceToMoveHigh : INT* optional, in/out -> LPVOID
# dwMoveMethod : SET_FILE_POINTER_MOVE_METHOD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。