AddPrintProvidorA

// winspool.drv  (ANSI / -A)
#include <windows.h>

BOOL AddPrintProvidorA(
    LPSTR pName,   // optional
    DWORD Level,
    BYTE* pProvidorInfo
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function AddPrintProvidorA(
    <MarshalAs(UnmanagedType.LPStr)> pName As String,   ' LPSTR optional
    Level As UInteger,   ' DWORD
    pProvidorInfo As IntPtr   ' BYTE*
) As Boolean
End Function

' pName : LPSTR optional
' Level : DWORD
' pProvidorInfo : BYTE*
Declare PtrSafe Function AddPrintProvidorA Lib "winspool.drv" ( _
    ByVal pName As String, _
    ByVal Level As Long, _
    ByVal pProvidorInfo 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

AddPrintProvidorA = ctypes.windll.LoadLibrary("winspool.drv").AddPrintProvidorA
AddPrintProvidorA.restype = wintypes.BOOL
AddPrintProvidorA.argtypes = [
    wintypes.LPCSTR,  # pName : LPSTR optional
    wintypes.DWORD,  # Level : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pProvidorInfo : BYTE*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
AddPrintProvidorA = Fiddle::Function.new(
  lib['AddPrintProvidorA'],
  [
    Fiddle::TYPE_VOIDP,  # pName : LPSTR optional
    -Fiddle::TYPE_INT,  # Level : DWORD
    Fiddle::TYPE_VOIDP,  # pProvidorInfo : BYTE*
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn AddPrintProvidorA(
        pName: *mut u8,  // LPSTR optional
        Level: u32,  // DWORD
        pProvidorInfo: *mut u8  // BYTE*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Ansi)]
public static extern bool AddPrintProvidorA([MarshalAs(UnmanagedType.LPStr)] string pName, uint Level, IntPtr pProvidorInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_AddPrintProvidorA' -Namespace Win32 -PassThru
# $api::AddPrintProvidorA(pName, Level, pProvidorInfo)

#uselib "winspool.drv"
#func global AddPrintProvidorA "AddPrintProvidorA" sptr, sptr, sptr
; AddPrintProvidorA pName, Level, varptr(pProvidorInfo)   ; 戻り値は stat
; pName : LPSTR optional -> "sptr"
; Level : DWORD -> "sptr"
; pProvidorInfo : BYTE* -> "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 "winspool.drv"
#cfunc global AddPrintProvidorA "AddPrintProvidorA" str, int, var
; res = AddPrintProvidorA(pName, Level, pProvidorInfo)
; pName : LPSTR optional -> "str"
; Level : DWORD -> "int"
; pProvidorInfo : BYTE* -> "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 AddPrintProvidorA(LPSTR pName, DWORD Level, BYTE* pProvidorInfo)
#uselib "winspool.drv"
#cfunc global AddPrintProvidorA "AddPrintProvidorA" str, int, var
; res = AddPrintProvidorA(pName, Level, pProvidorInfo)
; pName : LPSTR optional -> "str"
; Level : DWORD -> "int"
; pProvidorInfo : BYTE* -> "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 (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procAddPrintProvidorA = winspool_drv.NewProc("AddPrintProvidorA")
)

// pName (LPSTR optional), Level (DWORD), pProvidorInfo (BYTE*)
r1, _, err := procAddPrintProvidorA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pName))),
	uintptr(Level),
	uintptr(pProvidorInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function AddPrintProvidorA(
  pName: PAnsiChar;   // LPSTR optional
  Level: DWORD;   // DWORD
  pProvidorInfo: Pointer   // BYTE*
): BOOL; stdcall;
  external 'winspool.drv' name 'AddPrintProvidorA';

result := DllCall("winspool.drv\AddPrintProvidorA"
    , "AStr", pName   ; LPSTR optional
    , "UInt", Level   ; DWORD
    , "Ptr", pProvidorInfo   ; BYTE*
    , "Int")   ; return: BOOL

●AddPrintProvidorA(pName, Level, pProvidorInfo) = DLL("winspool.drv", "bool AddPrintProvidorA(char*, dword, void*)")
# 呼び出し: AddPrintProvidorA(pName, Level, pProvidorInfo)
# pName : LPSTR optional -> "char*"
# Level : DWORD -> "dword"
# pProvidorInfo : BYTE* -> "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)。