FaxSetJobW

// WINFAX.dll  (Unicode / -W)
#include <windows.h>

BOOL FaxSetJobW(
    HANDLE FaxHandle,
    DWORD JobId,
    DWORD Command,
    const FAX_JOB_ENTRYW* JobEntry
);

<DllImport("WINFAX.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FaxSetJobW(
    FaxHandle As IntPtr,   ' HANDLE
    JobId As UInteger,   ' DWORD
    Command As UInteger,   ' DWORD
    JobEntry As IntPtr   ' FAX_JOB_ENTRYW*
) As Boolean
End Function

' FaxHandle : HANDLE
' JobId : DWORD
' Command : DWORD
' JobEntry : FAX_JOB_ENTRYW*
Declare PtrSafe Function FaxSetJobW Lib "winfax" ( _
    ByVal FaxHandle As LongPtr, _
    ByVal JobId As Long, _
    ByVal Command As Long, _
    ByVal JobEntry As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FaxSetJobW = ctypes.windll.winfax.FaxSetJobW
FaxSetJobW.restype = wintypes.BOOL
FaxSetJobW.argtypes = [
    wintypes.HANDLE,  # FaxHandle : HANDLE
    wintypes.DWORD,  # JobId : DWORD
    wintypes.DWORD,  # Command : DWORD
    ctypes.c_void_p,  # JobEntry : FAX_JOB_ENTRYW*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINFAX.dll')
FaxSetJobW = Fiddle::Function.new(
  lib['FaxSetJobW'],
  [
    Fiddle::TYPE_VOIDP,  # FaxHandle : HANDLE
    -Fiddle::TYPE_INT,  # JobId : DWORD
    -Fiddle::TYPE_INT,  # Command : DWORD
    Fiddle::TYPE_VOIDP,  # JobEntry : FAX_JOB_ENTRYW*
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winfax")]
extern "system" {
    fn FaxSetJobW(
        FaxHandle: *mut core::ffi::c_void,  // HANDLE
        JobId: u32,  // DWORD
        Command: u32,  // DWORD
        JobEntry: *const FAX_JOB_ENTRYW  // FAX_JOB_ENTRYW*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINFAX.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool FaxSetJobW(IntPtr FaxHandle, uint JobId, uint Command, IntPtr JobEntry);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINFAX_FaxSetJobW' -Namespace Win32 -PassThru
# $api::FaxSetJobW(FaxHandle, JobId, Command, JobEntry)

#uselib "WINFAX.dll"
#func global FaxSetJobW "FaxSetJobW" wptr, wptr, wptr, wptr
; FaxSetJobW FaxHandle, JobId, Command, varptr(JobEntry)   ; 戻り値は stat
; FaxHandle : HANDLE -> "wptr"
; JobId : DWORD -> "wptr"
; Command : DWORD -> "wptr"
; JobEntry : FAX_JOB_ENTRYW* -> "wptr"
; ※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 FaxSetJobW "FaxSetJobW" sptr, int, int, var
; res = FaxSetJobW(FaxHandle, JobId, Command, JobEntry)
; FaxHandle : HANDLE -> "sptr"
; JobId : DWORD -> "int"
; Command : DWORD -> "int"
; JobEntry : FAX_JOB_ENTRYW* -> "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。

; BOOL FaxSetJobW(HANDLE FaxHandle, DWORD JobId, DWORD Command, FAX_JOB_ENTRYW* JobEntry)
#uselib "WINFAX.dll"
#cfunc global FaxSetJobW "FaxSetJobW" intptr, int, int, var
; res = FaxSetJobW(FaxHandle, JobId, Command, JobEntry)
; FaxHandle : HANDLE -> "intptr"
; JobId : DWORD -> "int"
; Command : DWORD -> "int"
; JobEntry : FAX_JOB_ENTRYW* -> "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 (
	winfax = windows.NewLazySystemDLL("WINFAX.dll")
	procFaxSetJobW = winfax.NewProc("FaxSetJobW")
)

// FaxHandle (HANDLE), JobId (DWORD), Command (DWORD), JobEntry (FAX_JOB_ENTRYW*)
r1, _, err := procFaxSetJobW.Call(
	uintptr(FaxHandle),
	uintptr(JobId),
	uintptr(Command),
	uintptr(JobEntry),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FaxSetJobW(
  FaxHandle: THandle;   // HANDLE
  JobId: DWORD;   // DWORD
  Command: DWORD;   // DWORD
  JobEntry: Pointer   // FAX_JOB_ENTRYW*
): BOOL; stdcall;
  external 'WINFAX.dll' name 'FaxSetJobW';

result := DllCall("WINFAX\FaxSetJobW"
    , "Ptr", FaxHandle   ; HANDLE
    , "UInt", JobId   ; DWORD
    , "UInt", Command   ; DWORD
    , "Ptr", JobEntry   ; FAX_JOB_ENTRYW*
    , "Int")   ; return: BOOL

●FaxSetJobW(FaxHandle, JobId, Command, JobEntry) = DLL("WINFAX.dll", "bool FaxSetJobW(void*, dword, dword, void*)")
# 呼び出し: FaxSetJobW(FaxHandle, JobId, Command, JobEntry)
# FaxHandle : HANDLE -> "void*"
# JobId : DWORD -> "dword"
# Command : DWORD -> "dword"
# JobEntry : FAX_JOB_ENTRYW* -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。