SQLFreeHandle

// ODBC32.dll
#include <windows.h>

SHORT SQLFreeHandle(
    SHORT HandleType,
    void* Handle
);

<DllImport("ODBC32.dll", ExactSpelling:=True)>
Public Shared Function SQLFreeHandle(
    HandleType As Short,   ' SHORT
    Handle As IntPtr   ' void* in/out
) As Short
End Function

' HandleType : SHORT
' Handle : void* in/out
Declare PtrSafe Function SQLFreeHandle Lib "odbc32" ( _
    ByVal HandleType As Integer, _
    ByVal Handle As LongPtr) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLFreeHandle = ctypes.windll.odbc32.SQLFreeHandle
SQLFreeHandle.restype = ctypes.c_short
SQLFreeHandle.argtypes = [
    ctypes.c_short,  # HandleType : SHORT
    ctypes.POINTER(None),  # Handle : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLFreeHandle = Fiddle::Function.new(
  lib['SQLFreeHandle'],
  [
    Fiddle::TYPE_SHORT,  # HandleType : SHORT
    Fiddle::TYPE_VOIDP,  # Handle : void* in/out
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLFreeHandle(
        HandleType: i16,  // SHORT
        Handle: *mut ()  // void* in/out
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll")]
public static extern short SQLFreeHandle(short HandleType, IntPtr Handle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLFreeHandle' -Namespace Win32 -PassThru
# $api::SQLFreeHandle(HandleType, Handle)

#uselib "ODBC32.dll"
#func global SQLFreeHandle "SQLFreeHandle" sptr, sptr
; SQLFreeHandle HandleType, Handle   ; 戻り値は stat
; HandleType : SHORT -> "sptr"
; Handle : void* in/out -> "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 "ODBC32.dll"
#cfunc global SQLFreeHandle "SQLFreeHandle" int, sptr
; res = SQLFreeHandle(HandleType, Handle)
; HandleType : SHORT -> "int"
; Handle : void* in/out -> "sptr"

; SHORT SQLFreeHandle(SHORT HandleType, void* Handle)
#uselib "ODBC32.dll"
#cfunc global SQLFreeHandle "SQLFreeHandle" int, intptr
; res = SQLFreeHandle(HandleType, Handle)
; HandleType : SHORT -> "int"
; Handle : void* in/out -> "intptr"

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

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLFreeHandle = odbc32.NewProc("SQLFreeHandle")
)

// HandleType (SHORT), Handle (void* in/out)
r1, _, err := procSQLFreeHandle.Call(
	uintptr(HandleType),
	uintptr(Handle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLFreeHandle(
  HandleType: Smallint;   // SHORT
  Handle: Pointer   // void* in/out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLFreeHandle';

result := DllCall("ODBC32\SQLFreeHandle"
    , "Short", HandleType   ; SHORT
    , "Ptr", Handle   ; void* in/out
    , "Short")   ; return: SHORT

●SQLFreeHandle(HandleType, Handle) = DLL("ODBC32.dll", "int SQLFreeHandle(int, void*)")
# 呼び出し: SQLFreeHandle(HandleType, Handle)
# HandleType : SHORT -> "int"
# Handle : void* in/out -> "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)。