ComDBReleasePort

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

INT ComDBReleasePort(
    HCOMDB HComDB,
    DWORD ComNumber
);

<DllImport("MSPORTS.dll", ExactSpelling:=True)>
Public Shared Function ComDBReleasePort(
    HComDB As IntPtr,   ' HCOMDB
    ComNumber As UInteger   ' DWORD
) As Integer
End Function

' HComDB : HCOMDB
' ComNumber : DWORD
Declare PtrSafe Function ComDBReleasePort Lib "msports" ( _
    ByVal HComDB As LongPtr, _
    ByVal ComNumber 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

ComDBReleasePort = ctypes.windll.msports.ComDBReleasePort
ComDBReleasePort.restype = ctypes.c_int
ComDBReleasePort.argtypes = [
    wintypes.HANDLE,  # HComDB : HCOMDB
    wintypes.DWORD,  # ComNumber : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSPORTS.dll')
ComDBReleasePort = Fiddle::Function.new(
  lib['ComDBReleasePort'],
  [
    Fiddle::TYPE_VOIDP,  # HComDB : HCOMDB
    -Fiddle::TYPE_INT,  # ComNumber : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "msports")]
extern "system" {
    fn ComDBReleasePort(
        HComDB: *mut core::ffi::c_void,  // HCOMDB
        ComNumber: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSPORTS.dll")]
public static extern int ComDBReleasePort(IntPtr HComDB, uint ComNumber);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSPORTS_ComDBReleasePort' -Namespace Win32 -PassThru
# $api::ComDBReleasePort(HComDB, ComNumber)

#uselib "MSPORTS.dll"
#func global ComDBReleasePort "ComDBReleasePort" sptr, sptr
; ComDBReleasePort HComDB, ComNumber   ; 戻り値は stat
; HComDB : HCOMDB -> "sptr"
; ComNumber : 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 "MSPORTS.dll"
#cfunc global ComDBReleasePort "ComDBReleasePort" sptr, int
; res = ComDBReleasePort(HComDB, ComNumber)
; HComDB : HCOMDB -> "sptr"
; ComNumber : DWORD -> "int"

; INT ComDBReleasePort(HCOMDB HComDB, DWORD ComNumber)
#uselib "MSPORTS.dll"
#cfunc global ComDBReleasePort "ComDBReleasePort" intptr, int
; res = ComDBReleasePort(HComDB, ComNumber)
; HComDB : HCOMDB -> "intptr"
; ComNumber : DWORD -> "int"

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

var (
	msports = windows.NewLazySystemDLL("MSPORTS.dll")
	procComDBReleasePort = msports.NewProc("ComDBReleasePort")
)

// HComDB (HCOMDB), ComNumber (DWORD)
r1, _, err := procComDBReleasePort.Call(
	uintptr(HComDB),
	uintptr(ComNumber),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function ComDBReleasePort(
  HComDB: THandle;   // HCOMDB
  ComNumber: DWORD   // DWORD
): Integer; stdcall;
  external 'MSPORTS.dll' name 'ComDBReleasePort';

result := DllCall("MSPORTS\ComDBReleasePort"
    , "Ptr", HComDB   ; HCOMDB
    , "UInt", ComNumber   ; DWORD
    , "Int")   ; return: INT

●ComDBReleasePort(HComDB, ComNumber) = DLL("MSPORTS.dll", "int ComDBReleasePort(void*, dword)")
# 呼び出し: ComDBReleasePort(HComDB, ComNumber)
# HComDB : HCOMDB -> "void*"
# ComNumber : 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)。