WSARemoveServiceClass

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

INT WSARemoveServiceClass(
    GUID* lpServiceClassId
);

<DllImport("WS2_32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WSARemoveServiceClass(
    ByRef lpServiceClassId As Guid   ' GUID*
) As Integer
End Function

' lpServiceClassId : GUID*
Declare PtrSafe Function WSARemoveServiceClass Lib "ws2_32" ( _
    ByVal lpServiceClassId 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

WSARemoveServiceClass = ctypes.windll.ws2_32.WSARemoveServiceClass
WSARemoveServiceClass.restype = ctypes.c_int
WSARemoveServiceClass.argtypes = [
    ctypes.c_void_p,  # lpServiceClassId : GUID*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSARemoveServiceClass = Fiddle::Function.new(
  lib['WSARemoveServiceClass'],
  [
    Fiddle::TYPE_VOIDP,  # lpServiceClassId : GUID*
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSARemoveServiceClass(
        lpServiceClassId: *mut GUID  // GUID*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll", SetLastError = true)]
public static extern int WSARemoveServiceClass(ref Guid lpServiceClassId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSARemoveServiceClass' -Namespace Win32 -PassThru
# $api::WSARemoveServiceClass(lpServiceClassId)

#uselib "WS2_32.dll"
#func global WSARemoveServiceClass "WSARemoveServiceClass" sptr
; WSARemoveServiceClass varptr(lpServiceClassId)   ; 戻り値は stat
; lpServiceClassId : GUID* -> "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 WSARemoveServiceClass "WSARemoveServiceClass" var
; res = WSARemoveServiceClass(lpServiceClassId)
; lpServiceClassId : GUID* -> "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 WSARemoveServiceClass(GUID* lpServiceClassId)
#uselib "WS2_32.dll"
#cfunc global WSARemoveServiceClass "WSARemoveServiceClass" var
; res = WSARemoveServiceClass(lpServiceClassId)
; lpServiceClassId : GUID* -> "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")
	procWSARemoveServiceClass = ws2_32.NewProc("WSARemoveServiceClass")
)

// lpServiceClassId (GUID*)
r1, _, err := procWSARemoveServiceClass.Call(
	uintptr(lpServiceClassId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSARemoveServiceClass(
  lpServiceClassId: PGUID   // GUID*
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSARemoveServiceClass';

result := DllCall("WS2_32\WSARemoveServiceClass"
    , "Ptr", lpServiceClassId   ; GUID*
    , "Int")   ; return: INT

●WSARemoveServiceClass(lpServiceClassId) = DLL("WS2_32.dll", "int WSARemoveServiceClass(void*)")
# 呼び出し: WSARemoveServiceClass(lpServiceClassId)
# lpServiceClassId : GUID* -> "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)。