FaxRegisterServiceProviderW

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

BOOL FaxRegisterServiceProviderW(
    LPCWSTR DeviceProvider,
    LPCWSTR FriendlyName,
    LPCWSTR ImageName,
    LPCWSTR TspName
);

<DllImport("WINFAX.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FaxRegisterServiceProviderW(
    <MarshalAs(UnmanagedType.LPWStr)> DeviceProvider As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> FriendlyName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> ImageName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> TspName As String   ' LPCWSTR
) As Boolean
End Function

' DeviceProvider : LPCWSTR
' FriendlyName : LPCWSTR
' ImageName : LPCWSTR
' TspName : LPCWSTR
Declare PtrSafe Function FaxRegisterServiceProviderW Lib "winfax" ( _
    ByVal DeviceProvider As LongPtr, _
    ByVal FriendlyName As LongPtr, _
    ByVal ImageName As LongPtr, _
    ByVal TspName 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

FaxRegisterServiceProviderW = ctypes.windll.winfax.FaxRegisterServiceProviderW
FaxRegisterServiceProviderW.restype = wintypes.BOOL
FaxRegisterServiceProviderW.argtypes = [
    wintypes.LPCWSTR,  # DeviceProvider : LPCWSTR
    wintypes.LPCWSTR,  # FriendlyName : LPCWSTR
    wintypes.LPCWSTR,  # ImageName : LPCWSTR
    wintypes.LPCWSTR,  # TspName : LPCWSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINFAX.dll')
FaxRegisterServiceProviderW = Fiddle::Function.new(
  lib['FaxRegisterServiceProviderW'],
  [
    Fiddle::TYPE_VOIDP,  # DeviceProvider : LPCWSTR
    Fiddle::TYPE_VOIDP,  # FriendlyName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # ImageName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # TspName : LPCWSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "winfax")]
extern "system" {
    fn FaxRegisterServiceProviderW(
        DeviceProvider: *const u16,  // LPCWSTR
        FriendlyName: *const u16,  // LPCWSTR
        ImageName: *const u16,  // LPCWSTR
        TspName: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINFAX.dll", SetLastError = true)]
public static extern bool FaxRegisterServiceProviderW([MarshalAs(UnmanagedType.LPWStr)] string DeviceProvider, [MarshalAs(UnmanagedType.LPWStr)] string FriendlyName, [MarshalAs(UnmanagedType.LPWStr)] string ImageName, [MarshalAs(UnmanagedType.LPWStr)] string TspName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINFAX_FaxRegisterServiceProviderW' -Namespace Win32 -PassThru
# $api::FaxRegisterServiceProviderW(DeviceProvider, FriendlyName, ImageName, TspName)

#uselib "WINFAX.dll"
#func global FaxRegisterServiceProviderW "FaxRegisterServiceProviderW" sptr, sptr, sptr, sptr
; FaxRegisterServiceProviderW DeviceProvider, FriendlyName, ImageName, TspName   ; 戻り値は stat
; DeviceProvider : LPCWSTR -> "sptr"
; FriendlyName : LPCWSTR -> "sptr"
; ImageName : LPCWSTR -> "sptr"
; TspName : LPCWSTR -> "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 "WINFAX.dll"
#cfunc global FaxRegisterServiceProviderW "FaxRegisterServiceProviderW" wstr, wstr, wstr, wstr
; res = FaxRegisterServiceProviderW(DeviceProvider, FriendlyName, ImageName, TspName)
; DeviceProvider : LPCWSTR -> "wstr"
; FriendlyName : LPCWSTR -> "wstr"
; ImageName : LPCWSTR -> "wstr"
; TspName : LPCWSTR -> "wstr"

; BOOL FaxRegisterServiceProviderW(LPCWSTR DeviceProvider, LPCWSTR FriendlyName, LPCWSTR ImageName, LPCWSTR TspName)
#uselib "WINFAX.dll"
#cfunc global FaxRegisterServiceProviderW "FaxRegisterServiceProviderW" wstr, wstr, wstr, wstr
; res = FaxRegisterServiceProviderW(DeviceProvider, FriendlyName, ImageName, TspName)
; DeviceProvider : LPCWSTR -> "wstr"
; FriendlyName : LPCWSTR -> "wstr"
; ImageName : LPCWSTR -> "wstr"
; TspName : LPCWSTR -> "wstr"

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

var (
	winfax = windows.NewLazySystemDLL("WINFAX.dll")
	procFaxRegisterServiceProviderW = winfax.NewProc("FaxRegisterServiceProviderW")
)

// DeviceProvider (LPCWSTR), FriendlyName (LPCWSTR), ImageName (LPCWSTR), TspName (LPCWSTR)
r1, _, err := procFaxRegisterServiceProviderW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(DeviceProvider))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(FriendlyName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ImageName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(TspName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FaxRegisterServiceProviderW(
  DeviceProvider: PWideChar;   // LPCWSTR
  FriendlyName: PWideChar;   // LPCWSTR
  ImageName: PWideChar;   // LPCWSTR
  TspName: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'WINFAX.dll' name 'FaxRegisterServiceProviderW';

result := DllCall("WINFAX\FaxRegisterServiceProviderW"
    , "WStr", DeviceProvider   ; LPCWSTR
    , "WStr", FriendlyName   ; LPCWSTR
    , "WStr", ImageName   ; LPCWSTR
    , "WStr", TspName   ; LPCWSTR
    , "Int")   ; return: BOOL

●FaxRegisterServiceProviderW(DeviceProvider, FriendlyName, ImageName, TspName) = DLL("WINFAX.dll", "bool FaxRegisterServiceProviderW(char*, char*, char*, char*)")
# 呼び出し: FaxRegisterServiceProviderW(DeviceProvider, FriendlyName, ImageName, TspName)
# DeviceProvider : LPCWSTR -> "char*"
# FriendlyName : LPCWSTR -> "char*"
# ImageName : LPCWSTR -> "char*"
# TspName : LPCWSTR -> "char*"
# 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)。