WSCGetProviderInfo

// WS2_32.dll
#include <windows.h>

INT WSCGetProviderInfo(
    GUID* lpProviderId,
    WSC_PROVIDER_INFO_TYPE InfoType,
    BYTE* Info,
    UINT_PTR* InfoSize,
    DWORD Flags,
    INT* lpErrno
);

<DllImport("WS2_32.dll", ExactSpelling:=True)>
Public Shared Function WSCGetProviderInfo(
    ByRef lpProviderId As Guid,   ' GUID*
    InfoType As Integer,   ' WSC_PROVIDER_INFO_TYPE
    Info As IntPtr,   ' BYTE* out
    ByRef InfoSize As UIntPtr,   ' UINT_PTR* in/out
    Flags As UInteger,   ' DWORD
    <Out> ByRef lpErrno As Integer   ' INT* out
) As Integer
End Function

' lpProviderId : GUID*
' InfoType : WSC_PROVIDER_INFO_TYPE
' Info : BYTE* out
' InfoSize : UINT_PTR* in/out
' Flags : DWORD
' lpErrno : INT* out
Declare PtrSafe Function WSCGetProviderInfo Lib "ws2_32" ( _
    ByVal lpProviderId As LongPtr, _
    ByVal InfoType As Long, _
    ByVal Info As LongPtr, _
    ByRef InfoSize As LongPtr, _
    ByVal Flags As Long, _
    ByRef lpErrno 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

WSCGetProviderInfo = ctypes.windll.ws2_32.WSCGetProviderInfo
WSCGetProviderInfo.restype = ctypes.c_int
WSCGetProviderInfo.argtypes = [
    ctypes.c_void_p,  # lpProviderId : GUID*
    ctypes.c_int,  # InfoType : WSC_PROVIDER_INFO_TYPE
    ctypes.POINTER(ctypes.c_ubyte),  # Info : BYTE* out
    ctypes.POINTER(ctypes.c_size_t),  # InfoSize : UINT_PTR* in/out
    wintypes.DWORD,  # Flags : DWORD
    ctypes.POINTER(ctypes.c_int),  # lpErrno : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSCGetProviderInfo = Fiddle::Function.new(
  lib['WSCGetProviderInfo'],
  [
    Fiddle::TYPE_VOIDP,  # lpProviderId : GUID*
    Fiddle::TYPE_INT,  # InfoType : WSC_PROVIDER_INFO_TYPE
    Fiddle::TYPE_VOIDP,  # Info : BYTE* out
    Fiddle::TYPE_VOIDP,  # InfoSize : UINT_PTR* in/out
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # lpErrno : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSCGetProviderInfo(
        lpProviderId: *mut GUID,  // GUID*
        InfoType: i32,  // WSC_PROVIDER_INFO_TYPE
        Info: *mut u8,  // BYTE* out
        InfoSize: *mut usize,  // UINT_PTR* in/out
        Flags: u32,  // DWORD
        lpErrno: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll")]
public static extern int WSCGetProviderInfo(ref Guid lpProviderId, int InfoType, IntPtr Info, ref UIntPtr InfoSize, uint Flags, out int lpErrno);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSCGetProviderInfo' -Namespace Win32 -PassThru
# $api::WSCGetProviderInfo(lpProviderId, InfoType, Info, InfoSize, Flags, lpErrno)

#uselib "WS2_32.dll"
#func global WSCGetProviderInfo "WSCGetProviderInfo" sptr, sptr, sptr, sptr, sptr, sptr
; WSCGetProviderInfo varptr(lpProviderId), InfoType, varptr(Info), varptr(InfoSize), Flags, varptr(lpErrno)   ; 戻り値は stat
; lpProviderId : GUID* -> "sptr"
; InfoType : WSC_PROVIDER_INFO_TYPE -> "sptr"
; Info : BYTE* out -> "sptr"
; InfoSize : UINT_PTR* in/out -> "sptr"
; Flags : DWORD -> "sptr"
; lpErrno : INT* 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 "WS2_32.dll"
#cfunc global WSCGetProviderInfo "WSCGetProviderInfo" var, int, var, var, int, var
; res = WSCGetProviderInfo(lpProviderId, InfoType, Info, InfoSize, Flags, lpErrno)
; lpProviderId : GUID* -> "var"
; InfoType : WSC_PROVIDER_INFO_TYPE -> "int"
; Info : BYTE* out -> "var"
; InfoSize : UINT_PTR* in/out -> "var"
; Flags : DWORD -> "int"
; lpErrno : INT* 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。

; INT WSCGetProviderInfo(GUID* lpProviderId, WSC_PROVIDER_INFO_TYPE InfoType, BYTE* Info, UINT_PTR* InfoSize, DWORD Flags, INT* lpErrno)
#uselib "WS2_32.dll"
#cfunc global WSCGetProviderInfo "WSCGetProviderInfo" var, int, var, var, int, var
; res = WSCGetProviderInfo(lpProviderId, InfoType, Info, InfoSize, Flags, lpErrno)
; lpProviderId : GUID* -> "var"
; InfoType : WSC_PROVIDER_INFO_TYPE -> "int"
; Info : BYTE* out -> "var"
; InfoSize : UINT_PTR* in/out -> "var"
; Flags : DWORD -> "int"
; lpErrno : INT* 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 (
	ws2_32 = windows.NewLazySystemDLL("WS2_32.dll")
	procWSCGetProviderInfo = ws2_32.NewProc("WSCGetProviderInfo")
)

// lpProviderId (GUID*), InfoType (WSC_PROVIDER_INFO_TYPE), Info (BYTE* out), InfoSize (UINT_PTR* in/out), Flags (DWORD), lpErrno (INT* out)
r1, _, err := procWSCGetProviderInfo.Call(
	uintptr(lpProviderId),
	uintptr(InfoType),
	uintptr(Info),
	uintptr(InfoSize),
	uintptr(Flags),
	uintptr(lpErrno),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSCGetProviderInfo(
  lpProviderId: PGUID;   // GUID*
  InfoType: Integer;   // WSC_PROVIDER_INFO_TYPE
  Info: Pointer;   // BYTE* out
  InfoSize: Pointer;   // UINT_PTR* in/out
  Flags: DWORD;   // DWORD
  lpErrno: Pointer   // INT* out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSCGetProviderInfo';

result := DllCall("WS2_32\WSCGetProviderInfo"
    , "Ptr", lpProviderId   ; GUID*
    , "Int", InfoType   ; WSC_PROVIDER_INFO_TYPE
    , "Ptr", Info   ; BYTE* out
    , "Ptr", InfoSize   ; UINT_PTR* in/out
    , "UInt", Flags   ; DWORD
    , "Ptr", lpErrno   ; INT* out
    , "Int")   ; return: INT

●WSCGetProviderInfo(lpProviderId, InfoType, Info, InfoSize, Flags, lpErrno) = DLL("WS2_32.dll", "int WSCGetProviderInfo(void*, int, void*, void*, dword, void*)")
# 呼び出し: WSCGetProviderInfo(lpProviderId, InfoType, Info, InfoSize, Flags, lpErrno)
# lpProviderId : GUID* -> "void*"
# InfoType : WSC_PROVIDER_INFO_TYPE -> "int"
# Info : BYTE* out -> "void*"
# InfoSize : UINT_PTR* in/out -> "void*"
# Flags : DWORD -> "dword"
# lpErrno : INT* 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)。