bcp_collen

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

SHORT bcp_collen(
    void* param0,
    INT param1,
    INT param2
);

<DllImport("odbcbcp.dll", ExactSpelling:=True)>
Public Shared Function bcp_collen(
    param0 As IntPtr,   ' void* in/out
    param1 As Integer,   ' INT
    param2 As Integer   ' INT
) As Short
End Function

' param0 : void* in/out
' param1 : INT
' param2 : INT
Declare PtrSafe Function bcp_collen Lib "odbcbcp" ( _
    ByVal param0 As LongPtr, _
    ByVal param1 As Long, _
    ByVal param2 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

bcp_collen = ctypes.windll.odbcbcp.bcp_collen
bcp_collen.restype = ctypes.c_short
bcp_collen.argtypes = [
    ctypes.POINTER(None),  # param0 : void* in/out
    ctypes.c_int,  # param1 : INT
    ctypes.c_int,  # param2 : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('odbcbcp.dll')
bcp_collen = Fiddle::Function.new(
  lib['bcp_collen'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : void* in/out
    Fiddle::TYPE_INT,  # param1 : INT
    Fiddle::TYPE_INT,  # param2 : INT
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbcbcp")]
extern "system" {
    fn bcp_collen(
        param0: *mut (),  // void* in/out
        param1: i32,  // INT
        param2: i32  // INT
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("odbcbcp.dll")]
public static extern short bcp_collen(IntPtr param0, int param1, int param2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'odbcbcp_bcp_collen' -Namespace Win32 -PassThru
# $api::bcp_collen(param0, param1, param2)

#uselib "odbcbcp.dll"
#func global bcp_collen "bcp_collen" sptr, sptr, sptr
; bcp_collen param0, param1, param2   ; 戻り値は stat
; param0 : void* in/out -> "sptr"
; param1 : INT -> "sptr"
; param2 : INT -> "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 "odbcbcp.dll"
#cfunc global bcp_collen "bcp_collen" sptr, int, int
; res = bcp_collen(param0, param1, param2)
; param0 : void* in/out -> "sptr"
; param1 : INT -> "int"
; param2 : INT -> "int"

; SHORT bcp_collen(void* param0, INT param1, INT param2)
#uselib "odbcbcp.dll"
#cfunc global bcp_collen "bcp_collen" intptr, int, int
; res = bcp_collen(param0, param1, param2)
; param0 : void* in/out -> "intptr"
; param1 : INT -> "int"
; param2 : INT -> "int"

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

var (
	odbcbcp = windows.NewLazySystemDLL("odbcbcp.dll")
	procbcp_collen = odbcbcp.NewProc("bcp_collen")
)

// param0 (void* in/out), param1 (INT), param2 (INT)
r1, _, err := procbcp_collen.Call(
	uintptr(param0),
	uintptr(param1),
	uintptr(param2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function bcp_collen(
  param0: Pointer;   // void* in/out
  param1: Integer;   // INT
  param2: Integer   // INT
): Smallint; stdcall;
  external 'odbcbcp.dll' name 'bcp_collen';

result := DllCall("odbcbcp\bcp_collen"
    , "Ptr", param0   ; void* in/out
    , "Int", param1   ; INT
    , "Int", param2   ; INT
    , "Short")   ; return: SHORT

●bcp_collen(param0, param1, param2) = DLL("odbcbcp.dll", "int bcp_collen(void*, int, int)")
# 呼び出し: bcp_collen(param0, param1, param2)
# param0 : void* in/out -> "void*"
# param1 : INT -> "int"
# param2 : INT -> "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)。