CryptReleaseContext

// ADVAPI32.dll
#include <windows.h>

BOOL CryptReleaseContext(
    UINT_PTR hProv,
    DWORD dwFlags
);

<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptReleaseContext(
    hProv As UIntPtr,   ' UINT_PTR
    dwFlags As UInteger   ' DWORD
) As Boolean
End Function

' hProv : UINT_PTR
' dwFlags : DWORD
Declare PtrSafe Function CryptReleaseContext Lib "advapi32" ( _
    ByVal hProv As LongPtr, _
    ByVal dwFlags 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

CryptReleaseContext = ctypes.windll.advapi32.CryptReleaseContext
CryptReleaseContext.restype = wintypes.BOOL
CryptReleaseContext.argtypes = [
    ctypes.c_size_t,  # hProv : UINT_PTR
    wintypes.DWORD,  # dwFlags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
CryptReleaseContext = Fiddle::Function.new(
  lib['CryptReleaseContext'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hProv : UINT_PTR
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn CryptReleaseContext(
        hProv: usize,  // UINT_PTR
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern bool CryptReleaseContext(UIntPtr hProv, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CryptReleaseContext' -Namespace Win32 -PassThru
# $api::CryptReleaseContext(hProv, dwFlags)

#uselib "ADVAPI32.dll"
#func global CryptReleaseContext "CryptReleaseContext" sptr, sptr
; CryptReleaseContext hProv, dwFlags   ; 戻り値は stat
; hProv : UINT_PTR -> "sptr"
; dwFlags : DWORD -> "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 "ADVAPI32.dll"
#cfunc global CryptReleaseContext "CryptReleaseContext" sptr, int
; res = CryptReleaseContext(hProv, dwFlags)
; hProv : UINT_PTR -> "sptr"
; dwFlags : DWORD -> "int"

; BOOL CryptReleaseContext(UINT_PTR hProv, DWORD dwFlags)
#uselib "ADVAPI32.dll"
#cfunc global CryptReleaseContext "CryptReleaseContext" intptr, int
; res = CryptReleaseContext(hProv, dwFlags)
; hProv : UINT_PTR -> "intptr"
; dwFlags : DWORD -> "int"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procCryptReleaseContext = advapi32.NewProc("CryptReleaseContext")
)

// hProv (UINT_PTR), dwFlags (DWORD)
r1, _, err := procCryptReleaseContext.Call(
	uintptr(hProv),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptReleaseContext(
  hProv: NativeUInt;   // UINT_PTR
  dwFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CryptReleaseContext';

result := DllCall("ADVAPI32\CryptReleaseContext"
    , "UPtr", hProv   ; UINT_PTR
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: BOOL

●CryptReleaseContext(hProv, dwFlags) = DLL("ADVAPI32.dll", "bool CryptReleaseContext(int, dword)")
# 呼び出し: CryptReleaseContext(hProv, dwFlags)
# hProv : UINT_PTR -> "int"
# dwFlags : DWORD -> "dword"
# 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)。