SHRegSetPathA

// SHLWAPI.dll  (ANSI / -A)
#include <windows.h>

WIN32_ERROR SHRegSetPathA(
    HKEY hKey,
    LPCSTR pcszSubKey,   // optional
    LPCSTR pcszValue,   // optional
    LPCSTR pcszPath,
    DWORD dwFlags
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SHRegSetPathA(
    hKey As IntPtr,   ' HKEY
    <MarshalAs(UnmanagedType.LPStr)> pcszSubKey As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> pcszValue As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> pcszPath As String,   ' LPCSTR
    dwFlags As UInteger   ' DWORD
) As UInteger
End Function

' hKey : HKEY
' pcszSubKey : LPCSTR optional
' pcszValue : LPCSTR optional
' pcszPath : LPCSTR
' dwFlags : DWORD
Declare PtrSafe Function SHRegSetPathA Lib "shlwapi" ( _
    ByVal hKey As LongPtr, _
    ByVal pcszSubKey As String, _
    ByVal pcszValue As String, _
    ByVal pcszPath As String, _
    ByVal dwFlags 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

SHRegSetPathA = ctypes.windll.shlwapi.SHRegSetPathA
SHRegSetPathA.restype = wintypes.DWORD
SHRegSetPathA.argtypes = [
    wintypes.HANDLE,  # hKey : HKEY
    wintypes.LPCSTR,  # pcszSubKey : LPCSTR optional
    wintypes.LPCSTR,  # pcszValue : LPCSTR optional
    wintypes.LPCSTR,  # pcszPath : LPCSTR
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
SHRegSetPathA = Fiddle::Function.new(
  lib['SHRegSetPathA'],
  [
    Fiddle::TYPE_VOIDP,  # hKey : HKEY
    Fiddle::TYPE_VOIDP,  # pcszSubKey : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pcszValue : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pcszPath : LPCSTR
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn SHRegSetPathA(
        hKey: *mut core::ffi::c_void,  // HKEY
        pcszSubKey: *const u8,  // LPCSTR optional
        pcszValue: *const u8,  // LPCSTR optional
        pcszPath: *const u8,  // LPCSTR
        dwFlags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern uint SHRegSetPathA(IntPtr hKey, [MarshalAs(UnmanagedType.LPStr)] string pcszSubKey, [MarshalAs(UnmanagedType.LPStr)] string pcszValue, [MarshalAs(UnmanagedType.LPStr)] string pcszPath, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_SHRegSetPathA' -Namespace Win32 -PassThru
# $api::SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags)

#uselib "SHLWAPI.dll"
#func global SHRegSetPathA "SHRegSetPathA" sptr, sptr, sptr, sptr, sptr
; SHRegSetPathA hKey, pcszSubKey, pcszValue, pcszPath, dwFlags   ; 戻り値は stat
; hKey : HKEY -> "sptr"
; pcszSubKey : LPCSTR optional -> "sptr"
; pcszValue : LPCSTR optional -> "sptr"
; pcszPath : LPCSTR -> "sptr"
; dwFlags : DWORD -> "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。

#uselib "SHLWAPI.dll"
#cfunc global SHRegSetPathA "SHRegSetPathA" sptr, str, str, str, int
; res = SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags)
; hKey : HKEY -> "sptr"
; pcszSubKey : LPCSTR optional -> "str"
; pcszValue : LPCSTR optional -> "str"
; pcszPath : LPCSTR -> "str"
; dwFlags : DWORD -> "int"

; WIN32_ERROR SHRegSetPathA(HKEY hKey, LPCSTR pcszSubKey, LPCSTR pcszValue, LPCSTR pcszPath, DWORD dwFlags)
#uselib "SHLWAPI.dll"
#cfunc global SHRegSetPathA "SHRegSetPathA" intptr, str, str, str, int
; res = SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags)
; hKey : HKEY -> "intptr"
; pcszSubKey : LPCSTR optional -> "str"
; pcszValue : LPCSTR optional -> "str"
; pcszPath : LPCSTR -> "str"
; dwFlags : DWORD -> "int"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procSHRegSetPathA = shlwapi.NewProc("SHRegSetPathA")
)

// hKey (HKEY), pcszSubKey (LPCSTR optional), pcszValue (LPCSTR optional), pcszPath (LPCSTR), dwFlags (DWORD)
r1, _, err := procSHRegSetPathA.Call(
	uintptr(hKey),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pcszSubKey))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pcszValue))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pcszPath))),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function SHRegSetPathA(
  hKey: THandle;   // HKEY
  pcszSubKey: PAnsiChar;   // LPCSTR optional
  pcszValue: PAnsiChar;   // LPCSTR optional
  pcszPath: PAnsiChar;   // LPCSTR
  dwFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'SHLWAPI.dll' name 'SHRegSetPathA';

result := DllCall("SHLWAPI\SHRegSetPathA"
    , "Ptr", hKey   ; HKEY
    , "AStr", pcszSubKey   ; LPCSTR optional
    , "AStr", pcszValue   ; LPCSTR optional
    , "AStr", pcszPath   ; LPCSTR
    , "UInt", dwFlags   ; DWORD
    , "UInt")   ; return: WIN32_ERROR

●SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags) = DLL("SHLWAPI.dll", "dword SHRegSetPathA(void*, char*, char*, char*, dword)")
# 呼び出し: SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags)
# hKey : HKEY -> "void*"
# pcszSubKey : LPCSTR optional -> "char*"
# pcszValue : LPCSTR optional -> "char*"
# pcszPath : LPCSTR -> "char*"
# dwFlags : DWORD -> "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 "shlwapi" fn SHRegSetPathA(
    hKey: ?*anyopaque, // HKEY
    pcszSubKey: [*c]const u8, // LPCSTR optional
    pcszValue: [*c]const u8, // LPCSTR optional
    pcszPath: [*c]const u8, // LPCSTR
    dwFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc SHRegSetPathA(
    hKey: pointer,  # HKEY
    pcszSubKey: cstring,  # LPCSTR optional
    pcszValue: cstring,  # LPCSTR optional
    pcszPath: cstring,  # LPCSTR
    dwFlags: uint32  # DWORD
): uint32 {.importc: "SHRegSetPathA", stdcall, dynlib: "SHLWAPI.dll".}

pragma(lib, "shlwapi");
extern(Windows)
uint SHRegSetPathA(
    void* hKey,   // HKEY
    const(char)* pcszSubKey,   // LPCSTR optional
    const(char)* pcszValue,   // LPCSTR optional
    const(char)* pcszPath,   // LPCSTR
    uint dwFlags   // DWORD
);

ccall((:SHRegSetPathA, "SHLWAPI.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Cstring, Cstring, Cstring, UInt32),
      hKey, pcszSubKey, pcszValue, pcszPath, dwFlags)
# hKey : HKEY -> Ptr{Cvoid}
# pcszSubKey : LPCSTR optional -> Cstring
# pcszValue : LPCSTR optional -> Cstring
# pcszPath : LPCSTR -> Cstring
# dwFlags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t SHRegSetPathA(
    void* hKey,
    const char* pcszSubKey,
    const char* pcszValue,
    const char* pcszPath,
    uint32_t dwFlags);
]]
local shlwapi = ffi.load("shlwapi")
-- shlwapi.SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags)
-- hKey : HKEY
-- pcszSubKey : LPCSTR optional
-- pcszValue : LPCSTR optional
-- pcszPath : LPCSTR
-- dwFlags : DWORD
-- 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('SHLWAPI.dll');
const SHRegSetPathA = lib.func('__stdcall', 'SHRegSetPathA', 'uint32_t', ['void *', 'str', 'str', 'str', 'uint32_t']);
// SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags)
// hKey : HKEY -> 'void *'
// pcszSubKey : LPCSTR optional -> 'str'
// pcszValue : LPCSTR optional -> 'str'
// pcszPath : LPCSTR -> 'str'
// dwFlags : DWORD -> '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("SHLWAPI.dll", {
  SHRegSetPathA: { parameters: ["pointer", "buffer", "buffer", "buffer", "u32"], result: "u32" },
});
// lib.symbols.SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags)
// hKey : HKEY -> "pointer"
// pcszSubKey : LPCSTR optional -> "buffer"
// pcszValue : LPCSTR optional -> "buffer"
// pcszPath : LPCSTR -> "buffer"
// dwFlags : DWORD -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t SHRegSetPathA(
    void* hKey,
    const char* pcszSubKey,
    const char* pcszValue,
    const char* pcszPath,
    uint32_t dwFlags);
C, "SHLWAPI.dll");
// $ffi->SHRegSetPathA(hKey, pcszSubKey, pcszValue, pcszPath, dwFlags);
// hKey : HKEY
// pcszSubKey : LPCSTR optional
// pcszValue : LPCSTR optional
// pcszPath : LPCSTR
// dwFlags : DWORD
// 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 Shlwapi extends StdCallLibrary {
    Shlwapi INSTANCE = Native.load("shlwapi", Shlwapi.class, W32APIOptions.ASCII_OPTIONS);
    int SHRegSetPathA(
        Pointer hKey,   // HKEY
        String pcszSubKey,   // LPCSTR optional
        String pcszValue,   // LPCSTR optional
        String pcszPath,   // LPCSTR
        int dwFlags   // DWORD
    );
}

@[Link("shlwapi")]
lib LibSHLWAPI
  fun SHRegSetPathA = SHRegSetPathA(
    hKey : Void*,   # HKEY
    pcszSubKey : UInt8*,   # LPCSTR optional
    pcszValue : UInt8*,   # LPCSTR optional
    pcszPath : UInt8*,   # LPCSTR
    dwFlags : UInt32   # DWORD
  ) : 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 SHRegSetPathANative = Uint32 Function(Pointer<Void>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, Uint32);
typedef SHRegSetPathADart = int Function(Pointer<Void>, Pointer<Utf8>, Pointer<Utf8>, Pointer<Utf8>, int);
final SHRegSetPathA = DynamicLibrary.open('SHLWAPI.dll')
    .lookupFunction<SHRegSetPathANative, SHRegSetPathADart>('SHRegSetPathA');
// hKey : HKEY -> Pointer<Void>
// pcszSubKey : LPCSTR optional -> Pointer<Utf8>
// pcszValue : LPCSTR optional -> Pointer<Utf8>
// pcszPath : LPCSTR -> Pointer<Utf8>
// dwFlags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SHRegSetPathA(
  hKey: THandle;   // HKEY
  pcszSubKey: PAnsiChar;   // LPCSTR optional
  pcszValue: PAnsiChar;   // LPCSTR optional
  pcszPath: PAnsiChar;   // LPCSTR
  dwFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'SHLWAPI.dll' name 'SHRegSetPathA';

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

foreign import stdcall safe "SHRegSetPathA"
  c_SHRegSetPathA :: Ptr () -> CString -> CString -> CString -> Word32 -> IO Word32
-- hKey : HKEY -> Ptr ()
-- pcszSubKey : LPCSTR optional -> CString
-- pcszValue : LPCSTR optional -> CString
-- pcszPath : LPCSTR -> CString
-- dwFlags : DWORD -> 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 shregsetpatha =
  foreign "SHRegSetPathA"
    ((ptr void) @-> string @-> string @-> string @-> uint32_t @-> returning uint32_t)
(* hKey : HKEY -> (ptr void) *)
(* pcszSubKey : LPCSTR optional -> string *)
(* pcszValue : LPCSTR optional -> string *)
(* pcszPath : LPCSTR -> string *)
(* dwFlags : DWORD -> 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 shlwapi (t "SHLWAPI.dll"))
(cffi:use-foreign-library shlwapi)

(cffi:defcfun ("SHRegSetPathA" shreg-set-path-a :convention :stdcall) :uint32
  (h-key :pointer)   ; HKEY
  (pcsz-sub-key :string)   ; LPCSTR optional
  (pcsz-value :string)   ; LPCSTR optional
  (pcsz-path :string)   ; LPCSTR
  (dw-flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SHRegSetPathA = Win32::API::More->new('SHLWAPI',
    'DWORD SHRegSetPathA(HANDLE hKey, LPCSTR pcszSubKey, LPCSTR pcszValue, LPCSTR pcszPath, DWORD dwFlags)');
# my $ret = $SHRegSetPathA->Call($hKey, $pcszSubKey, $pcszValue, $pcszPath, $dwFlags);
# hKey : HKEY -> HANDLE
# pcszSubKey : LPCSTR optional -> LPCSTR
# pcszValue : LPCSTR optional -> LPCSTR
# pcszPath : LPCSTR -> LPCSTR
# dwFlags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。