WSCInstallNameSpace

// WS2_32.dll
#include <windows.h>

INT WSCInstallNameSpace(
    LPWSTR lpszIdentifier,
    LPWSTR lpszPathName,
    DWORD dwNameSpace,
    DWORD dwVersion,
    GUID* lpProviderId
);

<DllImport("WS2_32.dll", ExactSpelling:=True)>
Public Shared Function WSCInstallNameSpace(
    <MarshalAs(UnmanagedType.LPWStr)> lpszIdentifier As String,   ' LPWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpszPathName As String,   ' LPWSTR
    dwNameSpace As UInteger,   ' DWORD
    dwVersion As UInteger,   ' DWORD
    ByRef lpProviderId As Guid   ' GUID*
) As Integer
End Function

' lpszIdentifier : LPWSTR
' lpszPathName : LPWSTR
' dwNameSpace : DWORD
' dwVersion : DWORD
' lpProviderId : GUID*
Declare PtrSafe Function WSCInstallNameSpace Lib "ws2_32" ( _
    ByVal lpszIdentifier As LongPtr, _
    ByVal lpszPathName As LongPtr, _
    ByVal dwNameSpace As Long, _
    ByVal dwVersion As Long, _
    ByVal lpProviderId As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WSCInstallNameSpace = ctypes.windll.ws2_32.WSCInstallNameSpace
WSCInstallNameSpace.restype = ctypes.c_int
WSCInstallNameSpace.argtypes = [
    wintypes.LPCWSTR,  # lpszIdentifier : LPWSTR
    wintypes.LPCWSTR,  # lpszPathName : LPWSTR
    wintypes.DWORD,  # dwNameSpace : DWORD
    wintypes.DWORD,  # dwVersion : DWORD
    ctypes.c_void_p,  # lpProviderId : GUID*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSCInstallNameSpace = Fiddle::Function.new(
  lib['WSCInstallNameSpace'],
  [
    Fiddle::TYPE_VOIDP,  # lpszIdentifier : LPWSTR
    Fiddle::TYPE_VOIDP,  # lpszPathName : LPWSTR
    -Fiddle::TYPE_INT,  # dwNameSpace : DWORD
    -Fiddle::TYPE_INT,  # dwVersion : DWORD
    Fiddle::TYPE_VOIDP,  # lpProviderId : GUID*
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSCInstallNameSpace(
        lpszIdentifier: *mut u16,  // LPWSTR
        lpszPathName: *mut u16,  // LPWSTR
        dwNameSpace: u32,  // DWORD
        dwVersion: u32,  // DWORD
        lpProviderId: *mut GUID  // GUID*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll")]
public static extern int WSCInstallNameSpace([MarshalAs(UnmanagedType.LPWStr)] string lpszIdentifier, [MarshalAs(UnmanagedType.LPWStr)] string lpszPathName, uint dwNameSpace, uint dwVersion, ref Guid lpProviderId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSCInstallNameSpace' -Namespace Win32 -PassThru
# $api::WSCInstallNameSpace(lpszIdentifier, lpszPathName, dwNameSpace, dwVersion, lpProviderId)

#uselib "WS2_32.dll"
#func global WSCInstallNameSpace "WSCInstallNameSpace" sptr, sptr, sptr, sptr, sptr
; WSCInstallNameSpace lpszIdentifier, lpszPathName, dwNameSpace, dwVersion, varptr(lpProviderId)   ; 戻り値は stat
; lpszIdentifier : LPWSTR -> "sptr"
; lpszPathName : LPWSTR -> "sptr"
; dwNameSpace : DWORD -> "sptr"
; dwVersion : DWORD -> "sptr"
; lpProviderId : GUID* -> "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 "WS2_32.dll"
#cfunc global WSCInstallNameSpace "WSCInstallNameSpace" wstr, wstr, int, int, var
; res = WSCInstallNameSpace(lpszIdentifier, lpszPathName, dwNameSpace, dwVersion, lpProviderId)
; lpszIdentifier : LPWSTR -> "wstr"
; lpszPathName : LPWSTR -> "wstr"
; dwNameSpace : DWORD -> "int"
; dwVersion : DWORD -> "int"
; lpProviderId : GUID* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; INT WSCInstallNameSpace(LPWSTR lpszIdentifier, LPWSTR lpszPathName, DWORD dwNameSpace, DWORD dwVersion, GUID* lpProviderId)
#uselib "WS2_32.dll"
#cfunc global WSCInstallNameSpace "WSCInstallNameSpace" wstr, wstr, int, int, var
; res = WSCInstallNameSpace(lpszIdentifier, lpszPathName, dwNameSpace, dwVersion, lpProviderId)
; lpszIdentifier : LPWSTR -> "wstr"
; lpszPathName : LPWSTR -> "wstr"
; dwNameSpace : DWORD -> "int"
; dwVersion : DWORD -> "int"
; lpProviderId : GUID* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	ws2_32 = windows.NewLazySystemDLL("WS2_32.dll")
	procWSCInstallNameSpace = ws2_32.NewProc("WSCInstallNameSpace")
)

// lpszIdentifier (LPWSTR), lpszPathName (LPWSTR), dwNameSpace (DWORD), dwVersion (DWORD), lpProviderId (GUID*)
r1, _, err := procWSCInstallNameSpace.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszIdentifier))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszPathName))),
	uintptr(dwNameSpace),
	uintptr(dwVersion),
	uintptr(lpProviderId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSCInstallNameSpace(
  lpszIdentifier: PWideChar;   // LPWSTR
  lpszPathName: PWideChar;   // LPWSTR
  dwNameSpace: DWORD;   // DWORD
  dwVersion: DWORD;   // DWORD
  lpProviderId: PGUID   // GUID*
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSCInstallNameSpace';

result := DllCall("WS2_32\WSCInstallNameSpace"
    , "WStr", lpszIdentifier   ; LPWSTR
    , "WStr", lpszPathName   ; LPWSTR
    , "UInt", dwNameSpace   ; DWORD
    , "UInt", dwVersion   ; DWORD
    , "Ptr", lpProviderId   ; GUID*
    , "Int")   ; return: INT

●WSCInstallNameSpace(lpszIdentifier, lpszPathName, dwNameSpace, dwVersion, lpProviderId) = DLL("WS2_32.dll", "int WSCInstallNameSpace(char*, char*, dword, dword, void*)")
# 呼び出し: WSCInstallNameSpace(lpszIdentifier, lpszPathName, dwNameSpace, dwVersion, lpProviderId)
# lpszIdentifier : LPWSTR -> "char*"
# lpszPathName : LPWSTR -> "char*"
# dwNameSpace : DWORD -> "dword"
# dwVersion : DWORD -> "dword"
# lpProviderId : GUID* -> "void*"
# 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)。