SCardForgetReaderA

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

INT SCardForgetReaderA(
    UINT_PTR hContext,
    LPCSTR szReaderName
);

<DllImport("WinSCard.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SCardForgetReaderA(
    hContext As UIntPtr,   ' UINT_PTR
    <MarshalAs(UnmanagedType.LPStr)> szReaderName As String   ' LPCSTR
) As Integer
End Function

' hContext : UINT_PTR
' szReaderName : LPCSTR
Declare PtrSafe Function SCardForgetReaderA Lib "winscard" ( _
    ByVal hContext As LongPtr, _
    ByVal szReaderName As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SCardForgetReaderA = ctypes.windll.winscard.SCardForgetReaderA
SCardForgetReaderA.restype = ctypes.c_int
SCardForgetReaderA.argtypes = [
    ctypes.c_size_t,  # hContext : UINT_PTR
    wintypes.LPCSTR,  # szReaderName : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinSCard.dll')
SCardForgetReaderA = Fiddle::Function.new(
  lib['SCardForgetReaderA'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hContext : UINT_PTR
    Fiddle::TYPE_VOIDP,  # szReaderName : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "winscard")]
extern "system" {
    fn SCardForgetReaderA(
        hContext: usize,  // UINT_PTR
        szReaderName: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinSCard.dll", CharSet = CharSet.Ansi)]
public static extern int SCardForgetReaderA(UIntPtr hContext, [MarshalAs(UnmanagedType.LPStr)] string szReaderName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinSCard_SCardForgetReaderA' -Namespace Win32 -PassThru
# $api::SCardForgetReaderA(hContext, szReaderName)

#uselib "WinSCard.dll"
#func global SCardForgetReaderA "SCardForgetReaderA" sptr, sptr
; SCardForgetReaderA hContext, szReaderName   ; 戻り値は stat
; hContext : UINT_PTR -> "sptr"
; szReaderName : LPCSTR -> "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 "WinSCard.dll"
#cfunc global SCardForgetReaderA "SCardForgetReaderA" sptr, str
; res = SCardForgetReaderA(hContext, szReaderName)
; hContext : UINT_PTR -> "sptr"
; szReaderName : LPCSTR -> "str"

; INT SCardForgetReaderA(UINT_PTR hContext, LPCSTR szReaderName)
#uselib "WinSCard.dll"
#cfunc global SCardForgetReaderA "SCardForgetReaderA" intptr, str
; res = SCardForgetReaderA(hContext, szReaderName)
; hContext : UINT_PTR -> "intptr"
; szReaderName : LPCSTR -> "str"

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

var (
	winscard = windows.NewLazySystemDLL("WinSCard.dll")
	procSCardForgetReaderA = winscard.NewProc("SCardForgetReaderA")
)

// hContext (UINT_PTR), szReaderName (LPCSTR)
r1, _, err := procSCardForgetReaderA.Call(
	uintptr(hContext),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szReaderName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function SCardForgetReaderA(
  hContext: NativeUInt;   // UINT_PTR
  szReaderName: PAnsiChar   // LPCSTR
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardForgetReaderA';

result := DllCall("WinSCard\SCardForgetReaderA"
    , "UPtr", hContext   ; UINT_PTR
    , "AStr", szReaderName   ; LPCSTR
    , "Int")   ; return: INT

●SCardForgetReaderA(hContext, szReaderName) = DLL("WinSCard.dll", "int SCardForgetReaderA(int, char*)")
# 呼び出し: SCardForgetReaderA(hContext, szReaderName)
# hContext : UINT_PTR -> "int"
# szReaderName : LPCSTR -> "char*"
# 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)。