SQLAllocHandle

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

SHORT SQLAllocHandle(
    SHORT HandleType,
    void* InputHandle,
    void** OutputHandle
);

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

' HandleType : SHORT
' InputHandle : void* in/out
' OutputHandle : void** out
Declare PtrSafe Function SQLAllocHandle Lib "odbc32" ( _
    ByVal HandleType As Integer, _
    ByVal InputHandle As LongPtr, _
    ByVal OutputHandle 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

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

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[DllImport("ODBC32.dll")]
public static extern short SQLAllocHandle(short HandleType, IntPtr InputHandle, IntPtr OutputHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLAllocHandle' -Namespace Win32 -PassThru
# $api::SQLAllocHandle(HandleType, InputHandle, OutputHandle)

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

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

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

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLAllocHandle = odbc32.NewProc("SQLAllocHandle")
)

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

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

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

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