FaxStartPrintJobA

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

BOOL FaxStartPrintJobA(
    LPCSTR PrinterName,
    const FAX_PRINT_INFOA* PrintInfo,
    DWORD* FaxJobId,
    FAX_CONTEXT_INFOA* FaxContextInfo
);

<DllImport("WINFAX.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FaxStartPrintJobA(
    <MarshalAs(UnmanagedType.LPStr)> PrinterName As String,   ' LPCSTR
    PrintInfo As IntPtr,   ' FAX_PRINT_INFOA*
    <Out> ByRef FaxJobId As UInteger,   ' DWORD* out
    FaxContextInfo As IntPtr   ' FAX_CONTEXT_INFOA* out
) As Boolean
End Function

' PrinterName : LPCSTR
' PrintInfo : FAX_PRINT_INFOA*
' FaxJobId : DWORD* out
' FaxContextInfo : FAX_CONTEXT_INFOA* out
Declare PtrSafe Function FaxStartPrintJobA Lib "winfax" ( _
    ByVal PrinterName As String, _
    ByVal PrintInfo As LongPtr, _
    ByRef FaxJobId As Long, _
    ByVal FaxContextInfo 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

FaxStartPrintJobA = ctypes.windll.winfax.FaxStartPrintJobA
FaxStartPrintJobA.restype = wintypes.BOOL
FaxStartPrintJobA.argtypes = [
    wintypes.LPCSTR,  # PrinterName : LPCSTR
    ctypes.c_void_p,  # PrintInfo : FAX_PRINT_INFOA*
    ctypes.POINTER(wintypes.DWORD),  # FaxJobId : DWORD* out
    ctypes.c_void_p,  # FaxContextInfo : FAX_CONTEXT_INFOA* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINFAX.dll')
FaxStartPrintJobA = Fiddle::Function.new(
  lib['FaxStartPrintJobA'],
  [
    Fiddle::TYPE_VOIDP,  # PrinterName : LPCSTR
    Fiddle::TYPE_VOIDP,  # PrintInfo : FAX_PRINT_INFOA*
    Fiddle::TYPE_VOIDP,  # FaxJobId : DWORD* out
    Fiddle::TYPE_VOIDP,  # FaxContextInfo : FAX_CONTEXT_INFOA* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winfax")]
extern "system" {
    fn FaxStartPrintJobA(
        PrinterName: *const u8,  // LPCSTR
        PrintInfo: *const FAX_PRINT_INFOA,  // FAX_PRINT_INFOA*
        FaxJobId: *mut u32,  // DWORD* out
        FaxContextInfo: *mut FAX_CONTEXT_INFOA  // FAX_CONTEXT_INFOA* out
    ) -> 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 FaxStartPrintJobA([MarshalAs(UnmanagedType.LPStr)] string PrinterName, IntPtr PrintInfo, out uint FaxJobId, IntPtr FaxContextInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINFAX_FaxStartPrintJobA' -Namespace Win32 -PassThru
# $api::FaxStartPrintJobA(PrinterName, PrintInfo, FaxJobId, FaxContextInfo)

#uselib "WINFAX.dll"
#func global FaxStartPrintJobA "FaxStartPrintJobA" sptr, sptr, sptr, sptr
; FaxStartPrintJobA PrinterName, varptr(PrintInfo), varptr(FaxJobId), varptr(FaxContextInfo)   ; 戻り値は stat
; PrinterName : LPCSTR -> "sptr"
; PrintInfo : FAX_PRINT_INFOA* -> "sptr"
; FaxJobId : DWORD* out -> "sptr"
; FaxContextInfo : FAX_CONTEXT_INFOA* 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 "WINFAX.dll"
#cfunc global FaxStartPrintJobA "FaxStartPrintJobA" str, var, var, var
; res = FaxStartPrintJobA(PrinterName, PrintInfo, FaxJobId, FaxContextInfo)
; PrinterName : LPCSTR -> "str"
; PrintInfo : FAX_PRINT_INFOA* -> "var"
; FaxJobId : DWORD* out -> "var"
; FaxContextInfo : FAX_CONTEXT_INFOA* 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。

; BOOL FaxStartPrintJobA(LPCSTR PrinterName, FAX_PRINT_INFOA* PrintInfo, DWORD* FaxJobId, FAX_CONTEXT_INFOA* FaxContextInfo)
#uselib "WINFAX.dll"
#cfunc global FaxStartPrintJobA "FaxStartPrintJobA" str, var, var, var
; res = FaxStartPrintJobA(PrinterName, PrintInfo, FaxJobId, FaxContextInfo)
; PrinterName : LPCSTR -> "str"
; PrintInfo : FAX_PRINT_INFOA* -> "var"
; FaxJobId : DWORD* out -> "var"
; FaxContextInfo : FAX_CONTEXT_INFOA* 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 (
	winfax = windows.NewLazySystemDLL("WINFAX.dll")
	procFaxStartPrintJobA = winfax.NewProc("FaxStartPrintJobA")
)

// PrinterName (LPCSTR), PrintInfo (FAX_PRINT_INFOA*), FaxJobId (DWORD* out), FaxContextInfo (FAX_CONTEXT_INFOA* out)
r1, _, err := procFaxStartPrintJobA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(PrinterName))),
	uintptr(PrintInfo),
	uintptr(FaxJobId),
	uintptr(FaxContextInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FaxStartPrintJobA(
  PrinterName: PAnsiChar;   // LPCSTR
  PrintInfo: Pointer;   // FAX_PRINT_INFOA*
  FaxJobId: Pointer;   // DWORD* out
  FaxContextInfo: Pointer   // FAX_CONTEXT_INFOA* out
): BOOL; stdcall;
  external 'WINFAX.dll' name 'FaxStartPrintJobA';

result := DllCall("WINFAX\FaxStartPrintJobA"
    , "AStr", PrinterName   ; LPCSTR
    , "Ptr", PrintInfo   ; FAX_PRINT_INFOA*
    , "Ptr", FaxJobId   ; DWORD* out
    , "Ptr", FaxContextInfo   ; FAX_CONTEXT_INFOA* out
    , "Int")   ; return: BOOL

●FaxStartPrintJobA(PrinterName, PrintInfo, FaxJobId, FaxContextInfo) = DLL("WINFAX.dll", "bool FaxStartPrintJobA(char*, void*, void*, void*)")
# 呼び出し: FaxStartPrintJobA(PrinterName, PrintInfo, FaxJobId, FaxContextInfo)
# PrinterName : LPCSTR -> "char*"
# PrintInfo : FAX_PRINT_INFOA* -> "void*"
# FaxJobId : DWORD* out -> "void*"
# FaxContextInfo : FAX_CONTEXT_INFOA* 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)。