FaxSetRoutingInfoA

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

BOOL FaxSetRoutingInfoA(
    HANDLE FaxPortHandle,
    LPCSTR RoutingGuid,
    const BYTE* RoutingInfoBuffer,
    DWORD RoutingInfoBufferSize
);

<DllImport("WINFAX.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FaxSetRoutingInfoA(
    FaxPortHandle As IntPtr,   ' HANDLE
    <MarshalAs(UnmanagedType.LPStr)> RoutingGuid As String,   ' LPCSTR
    RoutingInfoBuffer As IntPtr,   ' BYTE*
    RoutingInfoBufferSize As UInteger   ' DWORD
) As Boolean
End Function

' FaxPortHandle : HANDLE
' RoutingGuid : LPCSTR
' RoutingInfoBuffer : BYTE*
' RoutingInfoBufferSize : DWORD
Declare PtrSafe Function FaxSetRoutingInfoA Lib "winfax" ( _
    ByVal FaxPortHandle As LongPtr, _
    ByVal RoutingGuid As String, _
    ByVal RoutingInfoBuffer As LongPtr, _
    ByVal RoutingInfoBufferSize 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

FaxSetRoutingInfoA = ctypes.windll.winfax.FaxSetRoutingInfoA
FaxSetRoutingInfoA.restype = wintypes.BOOL
FaxSetRoutingInfoA.argtypes = [
    wintypes.HANDLE,  # FaxPortHandle : HANDLE
    wintypes.LPCSTR,  # RoutingGuid : LPCSTR
    ctypes.POINTER(ctypes.c_ubyte),  # RoutingInfoBuffer : BYTE*
    wintypes.DWORD,  # RoutingInfoBufferSize : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINFAX.dll')
FaxSetRoutingInfoA = Fiddle::Function.new(
  lib['FaxSetRoutingInfoA'],
  [
    Fiddle::TYPE_VOIDP,  # FaxPortHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # RoutingGuid : LPCSTR
    Fiddle::TYPE_VOIDP,  # RoutingInfoBuffer : BYTE*
    -Fiddle::TYPE_INT,  # RoutingInfoBufferSize : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "winfax")]
extern "system" {
    fn FaxSetRoutingInfoA(
        FaxPortHandle: *mut core::ffi::c_void,  // HANDLE
        RoutingGuid: *const u8,  // LPCSTR
        RoutingInfoBuffer: *const u8,  // BYTE*
        RoutingInfoBufferSize: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINFAX.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool FaxSetRoutingInfoA(IntPtr FaxPortHandle, [MarshalAs(UnmanagedType.LPStr)] string RoutingGuid, IntPtr RoutingInfoBuffer, uint RoutingInfoBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINFAX_FaxSetRoutingInfoA' -Namespace Win32 -PassThru
# $api::FaxSetRoutingInfoA(FaxPortHandle, RoutingGuid, RoutingInfoBuffer, RoutingInfoBufferSize)

#uselib "WINFAX.dll"
#func global FaxSetRoutingInfoA "FaxSetRoutingInfoA" sptr, sptr, sptr, sptr
; FaxSetRoutingInfoA FaxPortHandle, RoutingGuid, varptr(RoutingInfoBuffer), RoutingInfoBufferSize   ; 戻り値は stat
; FaxPortHandle : HANDLE -> "sptr"
; RoutingGuid : LPCSTR -> "sptr"
; RoutingInfoBuffer : BYTE* -> "sptr"
; RoutingInfoBufferSize : 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 "WINFAX.dll"
#cfunc global FaxSetRoutingInfoA "FaxSetRoutingInfoA" sptr, str, var, int
; res = FaxSetRoutingInfoA(FaxPortHandle, RoutingGuid, RoutingInfoBuffer, RoutingInfoBufferSize)
; FaxPortHandle : HANDLE -> "sptr"
; RoutingGuid : LPCSTR -> "str"
; RoutingInfoBuffer : BYTE* -> "var"
; RoutingInfoBufferSize : DWORD -> "int"
; ※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。

; BOOL FaxSetRoutingInfoA(HANDLE FaxPortHandle, LPCSTR RoutingGuid, BYTE* RoutingInfoBuffer, DWORD RoutingInfoBufferSize)
#uselib "WINFAX.dll"
#cfunc global FaxSetRoutingInfoA "FaxSetRoutingInfoA" intptr, str, var, int
; res = FaxSetRoutingInfoA(FaxPortHandle, RoutingGuid, RoutingInfoBuffer, RoutingInfoBufferSize)
; FaxPortHandle : HANDLE -> "intptr"
; RoutingGuid : LPCSTR -> "str"
; RoutingInfoBuffer : BYTE* -> "var"
; RoutingInfoBufferSize : DWORD -> "int"
; ※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 (
	winfax = windows.NewLazySystemDLL("WINFAX.dll")
	procFaxSetRoutingInfoA = winfax.NewProc("FaxSetRoutingInfoA")
)

// FaxPortHandle (HANDLE), RoutingGuid (LPCSTR), RoutingInfoBuffer (BYTE*), RoutingInfoBufferSize (DWORD)
r1, _, err := procFaxSetRoutingInfoA.Call(
	uintptr(FaxPortHandle),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(RoutingGuid))),
	uintptr(RoutingInfoBuffer),
	uintptr(RoutingInfoBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FaxSetRoutingInfoA(
  FaxPortHandle: THandle;   // HANDLE
  RoutingGuid: PAnsiChar;   // LPCSTR
  RoutingInfoBuffer: Pointer;   // BYTE*
  RoutingInfoBufferSize: DWORD   // DWORD
): BOOL; stdcall;
  external 'WINFAX.dll' name 'FaxSetRoutingInfoA';

result := DllCall("WINFAX\FaxSetRoutingInfoA"
    , "Ptr", FaxPortHandle   ; HANDLE
    , "AStr", RoutingGuid   ; LPCSTR
    , "Ptr", RoutingInfoBuffer   ; BYTE*
    , "UInt", RoutingInfoBufferSize   ; DWORD
    , "Int")   ; return: BOOL

●FaxSetRoutingInfoA(FaxPortHandle, RoutingGuid, RoutingInfoBuffer, RoutingInfoBufferSize) = DLL("WINFAX.dll", "bool FaxSetRoutingInfoA(void*, char*, void*, dword)")
# 呼び出し: FaxSetRoutingInfoA(FaxPortHandle, RoutingGuid, RoutingInfoBuffer, RoutingInfoBufferSize)
# FaxPortHandle : HANDLE -> "void*"
# RoutingGuid : LPCSTR -> "char*"
# RoutingInfoBuffer : BYTE* -> "void*"
# RoutingInfoBufferSize : 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)。