WSCUpdateProvider32

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

INT WSCUpdateProvider32(
    GUID* lpProviderId,
    LPCWSTR lpszProviderDllPath,
    const WSAPROTOCOL_INFOW* lpProtocolInfoList,
    DWORD dwNumberOfEntries,
    INT* lpErrno
);

<DllImport("WS2_32.dll", ExactSpelling:=True)>
Public Shared Function WSCUpdateProvider32(
    ByRef lpProviderId As Guid,   ' GUID*
    <MarshalAs(UnmanagedType.LPWStr)> lpszProviderDllPath As String,   ' LPCWSTR
    lpProtocolInfoList As IntPtr,   ' WSAPROTOCOL_INFOW*
    dwNumberOfEntries As UInteger,   ' DWORD
    <Out> ByRef lpErrno As Integer   ' INT* out
) As Integer
End Function

' lpProviderId : GUID*
' lpszProviderDllPath : LPCWSTR
' lpProtocolInfoList : WSAPROTOCOL_INFOW*
' dwNumberOfEntries : DWORD
' lpErrno : INT* out
Declare PtrSafe Function WSCUpdateProvider32 Lib "ws2_32" ( _
    ByVal lpProviderId As LongPtr, _
    ByVal lpszProviderDllPath As LongPtr, _
    ByVal lpProtocolInfoList As LongPtr, _
    ByVal dwNumberOfEntries As Long, _
    ByRef lpErrno 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

WSCUpdateProvider32 = ctypes.windll.ws2_32.WSCUpdateProvider32
WSCUpdateProvider32.restype = ctypes.c_int
WSCUpdateProvider32.argtypes = [
    ctypes.c_void_p,  # lpProviderId : GUID*
    wintypes.LPCWSTR,  # lpszProviderDllPath : LPCWSTR
    ctypes.c_void_p,  # lpProtocolInfoList : WSAPROTOCOL_INFOW*
    wintypes.DWORD,  # dwNumberOfEntries : DWORD
    ctypes.POINTER(ctypes.c_int),  # lpErrno : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSCUpdateProvider32 = Fiddle::Function.new(
  lib['WSCUpdateProvider32'],
  [
    Fiddle::TYPE_VOIDP,  # lpProviderId : GUID*
    Fiddle::TYPE_VOIDP,  # lpszProviderDllPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpProtocolInfoList : WSAPROTOCOL_INFOW*
    -Fiddle::TYPE_INT,  # dwNumberOfEntries : DWORD
    Fiddle::TYPE_VOIDP,  # lpErrno : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSCUpdateProvider32(
        lpProviderId: *mut GUID,  // GUID*
        lpszProviderDllPath: *const u16,  // LPCWSTR
        lpProtocolInfoList: *const WSAPROTOCOL_INFOW,  // WSAPROTOCOL_INFOW*
        dwNumberOfEntries: u32,  // DWORD
        lpErrno: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll")]
public static extern int WSCUpdateProvider32(ref Guid lpProviderId, [MarshalAs(UnmanagedType.LPWStr)] string lpszProviderDllPath, IntPtr lpProtocolInfoList, uint dwNumberOfEntries, out int lpErrno);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSCUpdateProvider32' -Namespace Win32 -PassThru
# $api::WSCUpdateProvider32(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)

#uselib "WS2_32.dll"
#func global WSCUpdateProvider32 "WSCUpdateProvider32" sptr, sptr, sptr, sptr, sptr
; WSCUpdateProvider32 varptr(lpProviderId), lpszProviderDllPath, varptr(lpProtocolInfoList), dwNumberOfEntries, varptr(lpErrno)   ; 戻り値は stat
; lpProviderId : GUID* -> "sptr"
; lpszProviderDllPath : LPCWSTR -> "sptr"
; lpProtocolInfoList : WSAPROTOCOL_INFOW* -> "sptr"
; dwNumberOfEntries : DWORD -> "sptr"
; lpErrno : INT* out -> "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 WSCUpdateProvider32 "WSCUpdateProvider32" var, wstr, var, int, var
; res = WSCUpdateProvider32(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)
; lpProviderId : GUID* -> "var"
; lpszProviderDllPath : LPCWSTR -> "wstr"
; lpProtocolInfoList : WSAPROTOCOL_INFOW* -> "var"
; dwNumberOfEntries : DWORD -> "int"
; lpErrno : INT* out -> "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 WSCUpdateProvider32(GUID* lpProviderId, LPCWSTR lpszProviderDllPath, WSAPROTOCOL_INFOW* lpProtocolInfoList, DWORD dwNumberOfEntries, INT* lpErrno)
#uselib "WS2_32.dll"
#cfunc global WSCUpdateProvider32 "WSCUpdateProvider32" var, wstr, var, int, var
; res = WSCUpdateProvider32(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)
; lpProviderId : GUID* -> "var"
; lpszProviderDllPath : LPCWSTR -> "wstr"
; lpProtocolInfoList : WSAPROTOCOL_INFOW* -> "var"
; dwNumberOfEntries : DWORD -> "int"
; lpErrno : INT* out -> "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")
	procWSCUpdateProvider32 = ws2_32.NewProc("WSCUpdateProvider32")
)

// lpProviderId (GUID*), lpszProviderDllPath (LPCWSTR), lpProtocolInfoList (WSAPROTOCOL_INFOW*), dwNumberOfEntries (DWORD), lpErrno (INT* out)
r1, _, err := procWSCUpdateProvider32.Call(
	uintptr(lpProviderId),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszProviderDllPath))),
	uintptr(lpProtocolInfoList),
	uintptr(dwNumberOfEntries),
	uintptr(lpErrno),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSCUpdateProvider32(
  lpProviderId: PGUID;   // GUID*
  lpszProviderDllPath: PWideChar;   // LPCWSTR
  lpProtocolInfoList: Pointer;   // WSAPROTOCOL_INFOW*
  dwNumberOfEntries: DWORD;   // DWORD
  lpErrno: Pointer   // INT* out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSCUpdateProvider32';

result := DllCall("WS2_32\WSCUpdateProvider32"
    , "Ptr", lpProviderId   ; GUID*
    , "WStr", lpszProviderDllPath   ; LPCWSTR
    , "Ptr", lpProtocolInfoList   ; WSAPROTOCOL_INFOW*
    , "UInt", dwNumberOfEntries   ; DWORD
    , "Ptr", lpErrno   ; INT* out
    , "Int")   ; return: INT

●WSCUpdateProvider32(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno) = DLL("WS2_32.dll", "int WSCUpdateProvider32(void*, char*, void*, dword, void*)")
# 呼び出し: WSCUpdateProvider32(lpProviderId, lpszProviderDllPath, lpProtocolInfoList, dwNumberOfEntries, lpErrno)
# lpProviderId : GUID* -> "void*"
# lpszProviderDllPath : LPCWSTR -> "char*"
# lpProtocolInfoList : WSAPROTOCOL_INFOW* -> "void*"
# dwNumberOfEntries : DWORD -> "dword"
# lpErrno : INT* out -> "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)。