u_digit

関数

指定基数で文字を数値に変換する。

DLLicuuc.dll呼出規約cdecl

シグネチャ

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

INT u_digit(
    INT ch,
    CHAR radix
);

パラメーター

名前	型	方向
ch	INT	in
radix	CHAR	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_digit(
    INT ch,
    CHAR radix
);

[DllImport("icuuc.dll", ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
static extern int u_digit(
    int ch,   // INT
    sbyte radix   // CHAR
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function u_digit(
    ch As Integer,   ' INT
    radix As SByte   ' CHAR
) As Integer
End Function

' ch : INT
' radix : CHAR
Declare PtrSafe Function u_digit Lib "icuuc" ( _
    ByVal ch As Long, _
    ByVal radix As Byte) 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_digit = ctypes.cdll.icuuc.u_digit
u_digit.restype = ctypes.c_int
u_digit.argtypes = [
    ctypes.c_int,  # ch : INT
    ctypes.c_byte,  # radix : CHAR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
u_digit = Fiddle::Function.new(
  lib['u_digit'],
  [
    Fiddle::TYPE_INT,  # ch : INT
    Fiddle::TYPE_CHAR,  # radix : CHAR
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn u_digit(
        ch: i32,  // INT
        radix: i8  // CHAR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int u_digit(int ch, sbyte radix);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_u_digit' -Namespace Win32 -PassThru
# $api::u_digit(ch, radix)

#uselib "icuuc.dll"
#func global u_digit "u_digit" sptr, sptr
; u_digit ch, radix   ; 戻り値は stat
; ch : INT -> "sptr"
; radix : CHAR -> "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 "icuuc.dll"
#cfunc global u_digit "u_digit" int, int
; res = u_digit(ch, radix)
; ch : INT -> "int"
; radix : CHAR -> "int"

; INT u_digit(INT ch, CHAR radix)
#uselib "icuuc.dll"
#cfunc global u_digit "u_digit" int, int
; res = u_digit(ch, radix)
; ch : INT -> "int"
; radix : CHAR -> "int"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procu_digit = icuuc.NewProc("u_digit")
)

// ch (INT), radix (CHAR)
r1, _, err := procu_digit.Call(
	uintptr(ch),
	uintptr(radix),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function u_digit(
  ch: Integer;   // INT
  radix: Shortint   // CHAR
): Integer; cdecl;
  external 'icuuc.dll' name 'u_digit';

result := DllCall("icuuc\u_digit"
    , "Int", ch   ; INT
    , "Char", radix   ; CHAR
    , "Cdecl Int")   ; return: INT

●u_digit(ch, radix) = DLL("icuuc.dll", "int u_digit(int, char)")
# 呼び出し: u_digit(ch, radix)
# ch : INT -> "int"
# radix : CHAR -> "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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。