SslDecrementProviderReferenceCount

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

HRESULT SslDecrementProviderReferenceCount(
    NCRYPT_PROV_HANDLE hSslProvider
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function SslDecrementProviderReferenceCount(
    hSslProvider As UIntPtr   ' NCRYPT_PROV_HANDLE
) As Integer
End Function

' hSslProvider : NCRYPT_PROV_HANDLE
Declare PtrSafe Function SslDecrementProviderReferenceCount Lib "ncrypt" ( _
    ByVal hSslProvider 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

SslDecrementProviderReferenceCount = ctypes.windll.ncrypt.SslDecrementProviderReferenceCount
SslDecrementProviderReferenceCount.restype = ctypes.c_int
SslDecrementProviderReferenceCount.argtypes = [
    ctypes.c_size_t,  # hSslProvider : NCRYPT_PROV_HANDLE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
SslDecrementProviderReferenceCount = Fiddle::Function.new(
  lib['SslDecrementProviderReferenceCount'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hSslProvider : NCRYPT_PROV_HANDLE
  ],
  Fiddle::TYPE_INT)

#[link(name = "ncrypt")]
extern "system" {
    fn SslDecrementProviderReferenceCount(
        hSslProvider: usize  // NCRYPT_PROV_HANDLE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ncrypt.dll")]
public static extern int SslDecrementProviderReferenceCount(UIntPtr hSslProvider);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_SslDecrementProviderReferenceCount' -Namespace Win32 -PassThru
# $api::SslDecrementProviderReferenceCount(hSslProvider)

#uselib "ncrypt.dll"
#func global SslDecrementProviderReferenceCount "SslDecrementProviderReferenceCount" sptr
; SslDecrementProviderReferenceCount hSslProvider   ; 戻り値は stat
; hSslProvider : NCRYPT_PROV_HANDLE -> "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 "ncrypt.dll"
#cfunc global SslDecrementProviderReferenceCount "SslDecrementProviderReferenceCount" sptr
; res = SslDecrementProviderReferenceCount(hSslProvider)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"

; HRESULT SslDecrementProviderReferenceCount(NCRYPT_PROV_HANDLE hSslProvider)
#uselib "ncrypt.dll"
#cfunc global SslDecrementProviderReferenceCount "SslDecrementProviderReferenceCount" intptr
; res = SslDecrementProviderReferenceCount(hSslProvider)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
	procSslDecrementProviderReferenceCount = ncrypt.NewProc("SslDecrementProviderReferenceCount")
)

// hSslProvider (NCRYPT_PROV_HANDLE)
r1, _, err := procSslDecrementProviderReferenceCount.Call(
	uintptr(hSslProvider),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SslDecrementProviderReferenceCount(
  hSslProvider: NativeUInt   // NCRYPT_PROV_HANDLE
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslDecrementProviderReferenceCount';

result := DllCall("ncrypt\SslDecrementProviderReferenceCount"
    , "UPtr", hSslProvider   ; NCRYPT_PROV_HANDLE
    , "Int")   ; return: HRESULT

●SslDecrementProviderReferenceCount(hSslProvider) = DLL("ncrypt.dll", "int SslDecrementProviderReferenceCount(int)")
# 呼び出し: SslDecrementProviderReferenceCount(hSslProvider)
# hSslProvider : NCRYPT_PROV_HANDLE -> "int"
# 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)。