SQLGetTypeInfoA

// ODBC32.dll  (ANSI / -A)
#include <windows.h>

SHORT SQLGetTypeInfoA(
    void* StatementHandle,
    SHORT DataType
);

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

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

import ctypes
from ctypes import wintypes

SQLGetTypeInfoA = ctypes.windll.odbc32.SQLGetTypeInfoA
SQLGetTypeInfoA.restype = ctypes.c_short
SQLGetTypeInfoA.argtypes = [
    ctypes.POINTER(None),  # StatementHandle : void* in/out
    ctypes.c_short,  # DataType : SHORT
]

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLGetTypeInfoA(IntPtr StatementHandle, short DataType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLGetTypeInfoA' -Namespace Win32 -PassThru
# $api::SQLGetTypeInfoA(StatementHandle, DataType)

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

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

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

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLGetTypeInfoA = odbc32.NewProc("SQLGetTypeInfoA")
)

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

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

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

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

const std = @import("std");

extern "odbc32" fn SQLGetTypeInfoA(
    StatementHandle: ?*anyopaque, // void* in/out
    DataType: i16 // SHORT
) callconv(std.os.windows.WINAPI) i16;

proc SQLGetTypeInfoA(
    StatementHandle: pointer,  # void* in/out
    DataType: int16  # SHORT
): int16 {.importc: "SQLGetTypeInfoA", stdcall, dynlib: "ODBC32.dll".}

pragma(lib, "odbc32");
extern(Windows)
short SQLGetTypeInfoA(
    void* StatementHandle,   // void* in/out
    short DataType   // SHORT
);

ccall((:SQLGetTypeInfoA, "ODBC32.dll"), stdcall, Int16,
      (Ptr{Cvoid}, Int16),
      StatementHandle, DataType)
# StatementHandle : void* in/out -> Ptr{Cvoid}
# DataType : SHORT -> Int16
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int16_t SQLGetTypeInfoA(
    void* StatementHandle,
    int16_t DataType);
]]
local odbc32 = ffi.load("odbc32")
-- odbc32.SQLGetTypeInfoA(StatementHandle, DataType)
-- StatementHandle : void* in/out
-- DataType : SHORT
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('ODBC32.dll');
const SQLGetTypeInfoA = lib.func('__stdcall', 'SQLGetTypeInfoA', 'int16_t', ['void *', 'int16_t']);
// SQLGetTypeInfoA(StatementHandle, DataType)
// StatementHandle : void* in/out -> 'void *'
// DataType : SHORT -> 'int16_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("ODBC32.dll", {
  SQLGetTypeInfoA: { parameters: ["pointer", "i16"], result: "i16" },
});
// lib.symbols.SQLGetTypeInfoA(StatementHandle, DataType)
// StatementHandle : void* in/out -> "pointer"
// DataType : SHORT -> "i16"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int16_t SQLGetTypeInfoA(
    void* StatementHandle,
    int16_t DataType);
C, "ODBC32.dll");
// $ffi->SQLGetTypeInfoA(StatementHandle, DataType);
// StatementHandle : void* in/out
// DataType : SHORT
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Odbc32 extends StdCallLibrary {
    Odbc32 INSTANCE = Native.load("odbc32", Odbc32.class, W32APIOptions.ASCII_OPTIONS);
    short SQLGetTypeInfoA(
        Pointer StatementHandle,   // void* in/out
        short DataType   // SHORT
    );
}

@[Link("odbc32")]
lib LibODBC32
  fun SQLGetTypeInfoA = SQLGetTypeInfoA(
    StatementHandle : Void*,   # void* in/out
    DataType : Int16   # SHORT
  ) : Int16
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SQLGetTypeInfoANative = Int16 Function(Pointer<Void>, Int16);
typedef SQLGetTypeInfoADart = int Function(Pointer<Void>, int);
final SQLGetTypeInfoA = DynamicLibrary.open('ODBC32.dll')
    .lookupFunction<SQLGetTypeInfoANative, SQLGetTypeInfoADart>('SQLGetTypeInfoA');
// StatementHandle : void* in/out -> Pointer<Void>
// DataType : SHORT -> Int16
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SQLGetTypeInfoA(
  StatementHandle: Pointer;   // void* in/out
  DataType: Smallint   // SHORT
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLGetTypeInfoA';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SQLGetTypeInfoA"
  c_SQLGetTypeInfoA :: Ptr () -> Int16 -> IO Int16
-- StatementHandle : void* in/out -> Ptr ()
-- DataType : SHORT -> Int16
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let sqlgettypeinfoa =
  foreign "SQLGetTypeInfoA"
    ((ptr void) @-> int16_t @-> returning int16_t)
(* StatementHandle : void* in/out -> (ptr void) *)
(* DataType : SHORT -> int16_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library odbc32 (t "ODBC32.dll"))
(cffi:use-foreign-library odbc32)

(cffi:defcfun ("SQLGetTypeInfoA" sqlget-type-info-a :convention :stdcall) :int16
  (statement-handle :pointer)   ; void* in/out
  (data-type :int16))   ; SHORT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SQLGetTypeInfoA = Win32::API::More->new('ODBC32',
    'short SQLGetTypeInfoA(LPVOID StatementHandle, short DataType)');
# my $ret = $SQLGetTypeInfoA->Call($StatementHandle, $DataType);
# StatementHandle : void* in/out -> LPVOID
# DataType : SHORT -> short
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。