SQLSetConnectOptionA

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

SHORT SQLSetConnectOptionA(
    void* hdbc,
    WORD fOption,
    DWORD vParam
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLSetConnectOptionA(
    hdbc As IntPtr,   ' void* in/out
    fOption As UShort,   ' WORD
    vParam As UInteger   ' DWORD
) As Short
End Function

' hdbc : void* in/out
' fOption : WORD
' vParam : DWORD
Declare PtrSafe Function SQLSetConnectOptionA Lib "odbc32" ( _
    ByVal hdbc As LongPtr, _
    ByVal fOption As Integer, _
    ByVal vParam As Long) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLSetConnectOptionA = ctypes.windll.odbc32.SQLSetConnectOptionA
SQLSetConnectOptionA.restype = ctypes.c_short
SQLSetConnectOptionA.argtypes = [
    ctypes.POINTER(None),  # hdbc : void* in/out
    ctypes.c_ushort,  # fOption : WORD
    wintypes.DWORD,  # vParam : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLSetConnectOptionA = Fiddle::Function.new(
  lib['SQLSetConnectOptionA'],
  [
    Fiddle::TYPE_VOIDP,  # hdbc : void* in/out
    -Fiddle::TYPE_SHORT,  # fOption : WORD
    -Fiddle::TYPE_INT,  # vParam : DWORD
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLSetConnectOptionA(
        hdbc: *mut (),  // void* in/out
        fOption: u16,  // WORD
        vParam: u32  // DWORD
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLSetConnectOptionA(IntPtr hdbc, ushort fOption, uint vParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLSetConnectOptionA' -Namespace Win32 -PassThru
# $api::SQLSetConnectOptionA(hdbc, fOption, vParam)

#uselib "ODBC32.dll"
#func global SQLSetConnectOptionA "SQLSetConnectOptionA" sptr, sptr, sptr
; SQLSetConnectOptionA hdbc, fOption, vParam   ; 戻り値は stat
; hdbc : void* in/out -> "sptr"
; fOption : WORD -> "sptr"
; vParam : 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 "ODBC32.dll"
#cfunc global SQLSetConnectOptionA "SQLSetConnectOptionA" sptr, int, int
; res = SQLSetConnectOptionA(hdbc, fOption, vParam)
; hdbc : void* in/out -> "sptr"
; fOption : WORD -> "int"
; vParam : DWORD -> "int"

; SHORT SQLSetConnectOptionA(void* hdbc, WORD fOption, DWORD vParam)
#uselib "ODBC32.dll"
#cfunc global SQLSetConnectOptionA "SQLSetConnectOptionA" intptr, int, int
; res = SQLSetConnectOptionA(hdbc, fOption, vParam)
; hdbc : void* in/out -> "intptr"
; fOption : WORD -> "int"
; vParam : DWORD -> "int"

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

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLSetConnectOptionA = odbc32.NewProc("SQLSetConnectOptionA")
)

// hdbc (void* in/out), fOption (WORD), vParam (DWORD)
r1, _, err := procSQLSetConnectOptionA.Call(
	uintptr(hdbc),
	uintptr(fOption),
	uintptr(vParam),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLSetConnectOptionA(
  hdbc: Pointer;   // void* in/out
  fOption: Word;   // WORD
  vParam: DWORD   // DWORD
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLSetConnectOptionA';

result := DllCall("ODBC32\SQLSetConnectOptionA"
    , "Ptr", hdbc   ; void* in/out
    , "UShort", fOption   ; WORD
    , "UInt", vParam   ; DWORD
    , "Short")   ; return: SHORT

●SQLSetConnectOptionA(hdbc, fOption, vParam) = DLL("ODBC32.dll", "int SQLSetConnectOptionA(void*, int, dword)")
# 呼び出し: SQLSetConnectOptionA(hdbc, fOption, vParam)
# hdbc : void* in/out -> "void*"
# fOption : WORD -> "int"
# vParam : 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)。