u_versionFromString

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

void u_versionFromString(
    BYTE* versionArray,
    LPCSTR versionString
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub u_versionFromString(
    versionArray As IntPtr,   ' BYTE* in/out
    <MarshalAs(UnmanagedType.LPStr)> versionString As String   ' LPCSTR
)
End Sub

' versionArray : BYTE* in/out
' versionString : LPCSTR
Declare PtrSafe Sub u_versionFromString Lib "icuuc" ( _
    ByVal versionArray As LongPtr, _
    ByVal versionString As String)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

u_versionFromString = ctypes.cdll.icuuc.u_versionFromString
u_versionFromString.restype = None
u_versionFromString.argtypes = [
    ctypes.POINTER(ctypes.c_ubyte),  # versionArray : BYTE* in/out
    wintypes.LPCSTR,  # versionString : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
u_versionFromString = Fiddle::Function.new(
  lib['u_versionFromString'],
  [
    Fiddle::TYPE_VOIDP,  # versionArray : BYTE* in/out
    Fiddle::TYPE_VOIDP,  # versionString : LPCSTR
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn u_versionFromString(
        versionArray: *mut u8,  // BYTE* in/out
        versionString: *const u8  // LPCSTR
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void u_versionFromString(IntPtr versionArray, [MarshalAs(UnmanagedType.LPStr)] string versionString);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_u_versionFromString' -Namespace Win32 -PassThru
# $api::u_versionFromString(versionArray, versionString)

#uselib "icuuc.dll"
#func global u_versionFromString "u_versionFromString" sptr, sptr
; u_versionFromString varptr(versionArray), versionString
; versionArray : BYTE* in/out -> "sptr"
; versionString : LPCSTR -> "sptr"

#uselib "icuuc.dll"
#func global u_versionFromString "u_versionFromString" var, str
; u_versionFromString versionArray, versionString
; versionArray : BYTE* in/out -> "var"
; versionString : LPCSTR -> "str"
; ※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。

; void u_versionFromString(BYTE* versionArray, LPCSTR versionString)
#uselib "icuuc.dll"
#func global u_versionFromString "u_versionFromString" var, str
; u_versionFromString versionArray, versionString
; versionArray : BYTE* in/out -> "var"
; versionString : LPCSTR -> "str"
; ※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。

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procu_versionFromString = icuuc.NewProc("u_versionFromString")
)

// versionArray (BYTE* in/out), versionString (LPCSTR)
r1, _, err := procu_versionFromString.Call(
	uintptr(versionArray),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(versionString))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure u_versionFromString(
  versionArray: Pointer;   // BYTE* in/out
  versionString: PAnsiChar   // LPCSTR
); cdecl;
  external 'icuuc.dll' name 'u_versionFromString';

result := DllCall("icuuc\u_versionFromString"
    , "Ptr", versionArray   ; BYTE* in/out
    , "AStr", versionString   ; LPCSTR
    , "Cdecl Int")   ; return: void

●u_versionFromString(versionArray, versionString) = DLL("icuuc.dll", "int u_versionFromString(void*, char*)")
# 呼び出し: u_versionFromString(versionArray, versionString)
# versionArray : BYTE* in/out -> "void*"
# versionString : 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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。