SQLAllocStmt

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

SHORT SQLAllocStmt(
    void* ConnectionHandle,
    void** StatementHandle
);

<DllImport("ODBC32.dll", ExactSpelling:=True)>
Public Shared Function SQLAllocStmt(
    ConnectionHandle As IntPtr,   ' void* in/out
    StatementHandle As IntPtr   ' void** out
) As Short
End Function

' ConnectionHandle : void* in/out
' StatementHandle : void** out
Declare PtrSafe Function SQLAllocStmt Lib "odbc32" ( _
    ByVal ConnectionHandle As LongPtr, _
    ByVal StatementHandle 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

SQLAllocStmt = ctypes.windll.odbc32.SQLAllocStmt
SQLAllocStmt.restype = ctypes.c_short
SQLAllocStmt.argtypes = [
    ctypes.POINTER(None),  # ConnectionHandle : void* in/out
    ctypes.c_void_p,  # StatementHandle : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLAllocStmt = Fiddle::Function.new(
  lib['SQLAllocStmt'],
  [
    Fiddle::TYPE_VOIDP,  # ConnectionHandle : void* in/out
    Fiddle::TYPE_VOIDP,  # StatementHandle : void** out
  ],
  Fiddle::TYPE_SHORT)

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

$sig = @"
[DllImport("ODBC32.dll")]
public static extern short SQLAllocStmt(IntPtr ConnectionHandle, IntPtr StatementHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLAllocStmt' -Namespace Win32 -PassThru
# $api::SQLAllocStmt(ConnectionHandle, StatementHandle)

#uselib "ODBC32.dll"
#func global SQLAllocStmt "SQLAllocStmt" sptr, sptr
; SQLAllocStmt ConnectionHandle, StatementHandle   ; 戻り値は stat
; ConnectionHandle : void* in/out -> "sptr"
; StatementHandle : 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 SQLAllocStmt "SQLAllocStmt" sptr, sptr
; res = SQLAllocStmt(ConnectionHandle, StatementHandle)
; ConnectionHandle : void* in/out -> "sptr"
; StatementHandle : void** out -> "sptr"

; SHORT SQLAllocStmt(void* ConnectionHandle, void** StatementHandle)
#uselib "ODBC32.dll"
#cfunc global SQLAllocStmt "SQLAllocStmt" intptr, intptr
; res = SQLAllocStmt(ConnectionHandle, StatementHandle)
; ConnectionHandle : void* in/out -> "intptr"
; StatementHandle : void** out -> "intptr"

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

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLAllocStmt = odbc32.NewProc("SQLAllocStmt")
)

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

function SQLAllocStmt(
  ConnectionHandle: Pointer;   // void* in/out
  StatementHandle: Pointer   // void** out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLAllocStmt';

result := DllCall("ODBC32\SQLAllocStmt"
    , "Ptr", ConnectionHandle   ; void* in/out
    , "Ptr", StatementHandle   ; void** out
    , "Short")   ; return: SHORT

●SQLAllocStmt(ConnectionHandle, StatementHandle) = DLL("ODBC32.dll", "int SQLAllocStmt(void*, void*)")
# 呼び出し: SQLAllocStmt(ConnectionHandle, StatementHandle)
# ConnectionHandle : void* in/out -> "void*"
# StatementHandle : 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)。