u_strspn

関数

集合の文字のみが続く先頭部分の長さを返す。

DLLicuuc.dll呼出規約cdecl

シグネチャ

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

INT u_strspn(
    const WORD* string,
    const WORD* matchSet
);

パラメーター

名前	型	方向
string	WORD*	in
matchSet	WORD*	in

戻り値の型: INT

各言語での呼び出し定義

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

INT u_strspn(
    const WORD* string,
    const WORD* matchSet
);

[DllImport("icuuc.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern int u_strspn(
    ref ushort string,   // WORD*
    ref ushort matchSet   // WORD*
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function u_strspn(
    ByRef [string] As UShort,   ' WORD*
    ByRef matchSet As UShort   ' WORD*
) As Integer
End Function

' string : WORD*
' matchSet : WORD*
Declare PtrSafe Function u_strspn Lib "icuuc" ( _
    ByRef string As Integer, _
    ByRef matchSet As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

u_strspn = ctypes.cdll.icuuc.u_strspn
u_strspn.restype = ctypes.c_int
u_strspn.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # string : WORD*
    ctypes.POINTER(ctypes.c_ushort),  # matchSet : WORD*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
u_strspn = Fiddle::Function.new(
  lib['u_strspn'],
  [
    Fiddle::TYPE_VOIDP,  # string : WORD*
    Fiddle::TYPE_VOIDP,  # matchSet : WORD*
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn u_strspn(
        string: *const u16,  // WORD*
        matchSet: *const u16  // WORD*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int u_strspn(ref ushort string, ref ushort matchSet);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_u_strspn' -Namespace Win32 -PassThru
# $api::u_strspn(string, matchSet)

#uselib "icuuc.dll"
#func global u_strspn "u_strspn" sptr, sptr
; u_strspn varptr(string), varptr(matchSet)   ; 戻り値は stat
; string : WORD* -> "sptr"
; matchSet : WORD* -> "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 u_strspn "u_strspn" var, var
; res = u_strspn(string, matchSet)
; string : WORD* -> "var"
; matchSet : WORD* -> "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 u_strspn "u_strspn" sptr, sptr
; res = u_strspn(varptr(string), varptr(matchSet))
; string : WORD* -> "sptr"
; matchSet : WORD* -> "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 u_strspn(WORD* string, WORD* matchSet)
#uselib "icuuc.dll"
#cfunc global u_strspn "u_strspn" var, var
; res = u_strspn(string, matchSet)
; string : WORD* -> "var"
; matchSet : WORD* -> "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 u_strspn(WORD* string, WORD* matchSet)
#uselib "icuuc.dll"
#cfunc global u_strspn "u_strspn" intptr, intptr
; res = u_strspn(varptr(string), varptr(matchSet))
; string : WORD* -> "intptr"
; matchSet : WORD* -> "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")
	procu_strspn = icuuc.NewProc("u_strspn")
)

// string (WORD*), matchSet (WORD*)
r1, _, err := procu_strspn.Call(
	uintptr(string),
	uintptr(matchSet),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function u_strspn(
  string: Pointer;   // WORD*
  matchSet: Pointer   // WORD*
): Integer; cdecl;
  external 'icuuc.dll' name 'u_strspn';

result := DllCall("icuuc\u_strspn"
    , "Ptr", string   ; WORD*
    , "Ptr", matchSet   ; WORD*
    , "Cdecl Int")   ; return: INT

●u_strspn(string, matchSet) = DLL("icuuc.dll", "int u_strspn(void*, void*)")
# 呼び出し: u_strspn(string, matchSet)
# string : WORD* -> "void*"
# matchSet : WORD* -> "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。