uiter_previous32

関数

文字イテレータを戻して前のコードポイントを取得する。

DLLicuuc.dll呼出規約cdecl

シグネチャ

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

INT uiter_previous32(
    UCharIterator* iter
);

パラメーター

名前	型	方向
iter	UCharIterator*	inout

戻り値の型: INT

各言語での呼び出し定義

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

INT uiter_previous32(
    UCharIterator* iter
);

[DllImport("icuuc.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern int uiter_previous32(
    IntPtr iter   // UCharIterator* in/out
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function uiter_previous32(
    iter As IntPtr   ' UCharIterator* in/out
) As Integer
End Function

' iter : UCharIterator* in/out
Declare PtrSafe Function uiter_previous32 Lib "icuuc" ( _
    ByVal iter As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uiter_previous32 = ctypes.cdll.icuuc.uiter_previous32
uiter_previous32.restype = ctypes.c_int
uiter_previous32.argtypes = [
    ctypes.c_void_p,  # iter : UCharIterator* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uiter_previous32 = Fiddle::Function.new(
  lib['uiter_previous32'],
  [
    Fiddle::TYPE_VOIDP,  # iter : UCharIterator* in/out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uiter_previous32(
        iter: *mut UCharIterator  // UCharIterator* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int uiter_previous32(IntPtr iter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uiter_previous32' -Namespace Win32 -PassThru
# $api::uiter_previous32(iter)

#uselib "icuuc.dll"
#func global uiter_previous32 "uiter_previous32" sptr
; uiter_previous32 varptr(iter)   ; 戻り値は stat
; iter : UCharIterator* in/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。

出力引数:

#uselib "icuuc.dll"
#cfunc global uiter_previous32 "uiter_previous32" var
; res = uiter_previous32(iter)
; iter : UCharIterator* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "icuuc.dll"
#cfunc global uiter_previous32 "uiter_previous32" sptr
; res = uiter_previous32(varptr(iter))
; iter : UCharIterator* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; INT uiter_previous32(UCharIterator* iter)
#uselib "icuuc.dll"
#cfunc global uiter_previous32 "uiter_previous32" var
; res = uiter_previous32(iter)
; iter : UCharIterator* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; INT uiter_previous32(UCharIterator* iter)
#uselib "icuuc.dll"
#cfunc global uiter_previous32 "uiter_previous32" intptr
; res = uiter_previous32(varptr(iter))
; iter : UCharIterator* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procuiter_previous32 = icuuc.NewProc("uiter_previous32")
)

// iter (UCharIterator* in/out)
r1, _, err := procuiter_previous32.Call(
	uintptr(iter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function uiter_previous32(
  iter: Pointer   // UCharIterator* in/out
): Integer; cdecl;
  external 'icuuc.dll' name 'uiter_previous32';

result := DllCall("icuuc\uiter_previous32"
    , "Ptr", iter   ; UCharIterator* in/out
    , "Cdecl Int")   ; return: INT

●uiter_previous32(iter) = DLL("icuuc.dll", "int uiter_previous32(void*)")
# 呼び出し: uiter_previous32(iter)
# iter : UCharIterator* in/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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。