bcp_readfmtA

関数

一括コピーの書式定義をANSIファイルから読み込む。

DLLodbcbcp.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

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

SHORT bcp_readfmtA(
    void* param0,
    LPCSTR param1
);

パラメーター

名前	型	方向
param0	void*	inout
param1	LPCSTR	in

戻り値の型: SHORT

各言語での呼び出し定義

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

SHORT bcp_readfmtA(
    void* param0,
    LPCSTR param1
);

[DllImport("odbcbcp.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern short bcp_readfmtA(
    IntPtr param0,   // void* in/out
    [MarshalAs(UnmanagedType.LPStr)] string param1   // LPCSTR
);

<DllImport("odbcbcp.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function bcp_readfmtA(
    param0 As IntPtr,   ' void* in/out
    <MarshalAs(UnmanagedType.LPStr)> param1 As String   ' LPCSTR
) As Short
End Function

' param0 : void* in/out
' param1 : LPCSTR
Declare PtrSafe Function bcp_readfmtA Lib "odbcbcp" ( _
    ByVal param0 As LongPtr, _
    ByVal param1 As String) 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_readfmtA = ctypes.windll.odbcbcp.bcp_readfmtA
bcp_readfmtA.restype = ctypes.c_short
bcp_readfmtA.argtypes = [
    ctypes.POINTER(None),  # param0 : void* in/out
    wintypes.LPCSTR,  # param1 : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "odbcbcp")]
extern "system" {
    fn bcp_readfmtA(
        param0: *mut (),  // void* in/out
        param1: *const u8  // LPCSTR
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("odbcbcp.dll", CharSet = CharSet.Ansi)]
public static extern short bcp_readfmtA(IntPtr param0, [MarshalAs(UnmanagedType.LPStr)] string param1);
"@
$api = Add-Type -MemberDefinition $sig -Name 'odbcbcp_bcp_readfmtA' -Namespace Win32 -PassThru
# $api::bcp_readfmtA(param0, param1)

#uselib "odbcbcp.dll"
#func global bcp_readfmtA "bcp_readfmtA" sptr, sptr
; bcp_readfmtA param0, param1   ; 戻り値は stat
; param0 : void* in/out -> "sptr"
; param1 : LPCSTR -> "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_readfmtA "bcp_readfmtA" sptr, str
; res = bcp_readfmtA(param0, param1)
; param0 : void* in/out -> "sptr"
; param1 : LPCSTR -> "str"

; SHORT bcp_readfmtA(void* param0, LPCSTR param1)
#uselib "odbcbcp.dll"
#cfunc global bcp_readfmtA "bcp_readfmtA" intptr, str
; res = bcp_readfmtA(param0, param1)
; param0 : void* in/out -> "intptr"
; param1 : LPCSTR -> "str"

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

var (
	odbcbcp = windows.NewLazySystemDLL("odbcbcp.dll")
	procbcp_readfmtA = odbcbcp.NewProc("bcp_readfmtA")
)

// param0 (void* in/out), param1 (LPCSTR)
r1, _, err := procbcp_readfmtA.Call(
	uintptr(param0),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(param1))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function bcp_readfmtA(
  param0: Pointer;   // void* in/out
  param1: PAnsiChar   // LPCSTR
): Smallint; stdcall;
  external 'odbcbcp.dll' name 'bcp_readfmtA';

result := DllCall("odbcbcp\bcp_readfmtA"
    , "Ptr", param0   ; void* in/out
    , "AStr", param1   ; LPCSTR
    , "Short")   ; return: SHORT

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