PackageFamilyNameFromFullName

// KERNEL32.dll
#include <windows.h>

WIN32_ERROR PackageFamilyNameFromFullName(
    LPCWSTR packageFullName,
    DWORD* packageFamilyNameLength,
    LPWSTR packageFamilyName   // optional
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function PackageFamilyNameFromFullName(
    <MarshalAs(UnmanagedType.LPWStr)> packageFullName As String,   ' LPCWSTR
    ByRef packageFamilyNameLength As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> packageFamilyName As System.Text.StringBuilder   ' LPWSTR optional, out
) As UInteger
End Function

' packageFullName : LPCWSTR
' packageFamilyNameLength : DWORD* in/out
' packageFamilyName : LPWSTR optional, out
Declare PtrSafe Function PackageFamilyNameFromFullName Lib "kernel32" ( _
    ByVal packageFullName As LongPtr, _
    ByRef packageFamilyNameLength As Long, _
    ByVal packageFamilyName 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

PackageFamilyNameFromFullName = ctypes.windll.kernel32.PackageFamilyNameFromFullName
PackageFamilyNameFromFullName.restype = wintypes.DWORD
PackageFamilyNameFromFullName.argtypes = [
    wintypes.LPCWSTR,  # packageFullName : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # packageFamilyNameLength : DWORD* in/out
    wintypes.LPWSTR,  # packageFamilyName : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
PackageFamilyNameFromFullName = Fiddle::Function.new(
  lib['PackageFamilyNameFromFullName'],
  [
    Fiddle::TYPE_VOIDP,  # packageFullName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # packageFamilyNameLength : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # packageFamilyName : LPWSTR optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn PackageFamilyNameFromFullName(
        packageFullName: *const u16,  // LPCWSTR
        packageFamilyNameLength: *mut u32,  // DWORD* in/out
        packageFamilyName: *mut u16  // LPWSTR optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern uint PackageFamilyNameFromFullName([MarshalAs(UnmanagedType.LPWStr)] string packageFullName, ref uint packageFamilyNameLength, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder packageFamilyName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_PackageFamilyNameFromFullName' -Namespace Win32 -PassThru
# $api::PackageFamilyNameFromFullName(packageFullName, packageFamilyNameLength, packageFamilyName)

#uselib "KERNEL32.dll"
#func global PackageFamilyNameFromFullName "PackageFamilyNameFromFullName" sptr, sptr, sptr
; PackageFamilyNameFromFullName packageFullName, varptr(packageFamilyNameLength), varptr(packageFamilyName)   ; 戻り値は stat
; packageFullName : LPCWSTR -> "sptr"
; packageFamilyNameLength : DWORD* in/out -> "sptr"
; packageFamilyName : LPWSTR optional, 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。

#uselib "KERNEL32.dll"
#cfunc global PackageFamilyNameFromFullName "PackageFamilyNameFromFullName" wstr, var, var
; res = PackageFamilyNameFromFullName(packageFullName, packageFamilyNameLength, packageFamilyName)
; packageFullName : LPCWSTR -> "wstr"
; packageFamilyNameLength : DWORD* in/out -> "var"
; packageFamilyName : LPWSTR optional, 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。

; WIN32_ERROR PackageFamilyNameFromFullName(LPCWSTR packageFullName, DWORD* packageFamilyNameLength, LPWSTR packageFamilyName)
#uselib "KERNEL32.dll"
#cfunc global PackageFamilyNameFromFullName "PackageFamilyNameFromFullName" wstr, var, var
; res = PackageFamilyNameFromFullName(packageFullName, packageFamilyNameLength, packageFamilyName)
; packageFullName : LPCWSTR -> "wstr"
; packageFamilyNameLength : DWORD* in/out -> "var"
; packageFamilyName : LPWSTR optional, 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。

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procPackageFamilyNameFromFullName = kernel32.NewProc("PackageFamilyNameFromFullName")
)

// packageFullName (LPCWSTR), packageFamilyNameLength (DWORD* in/out), packageFamilyName (LPWSTR optional, out)
r1, _, err := procPackageFamilyNameFromFullName.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(packageFullName))),
	uintptr(packageFamilyNameLength),
	uintptr(packageFamilyName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function PackageFamilyNameFromFullName(
  packageFullName: PWideChar;   // LPCWSTR
  packageFamilyNameLength: Pointer;   // DWORD* in/out
  packageFamilyName: PWideChar   // LPWSTR optional, out
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'PackageFamilyNameFromFullName';

result := DllCall("KERNEL32\PackageFamilyNameFromFullName"
    , "WStr", packageFullName   ; LPCWSTR
    , "Ptr", packageFamilyNameLength   ; DWORD* in/out
    , "Ptr", packageFamilyName   ; LPWSTR optional, out
    , "UInt")   ; return: WIN32_ERROR

●PackageFamilyNameFromFullName(packageFullName, packageFamilyNameLength, packageFamilyName) = DLL("KERNEL32.dll", "dword PackageFamilyNameFromFullName(char*, void*, char*)")
# 呼び出し: PackageFamilyNameFromFullName(packageFullName, packageFamilyNameLength, packageFamilyName)
# packageFullName : LPCWSTR -> "char*"
# packageFamilyNameLength : DWORD* in/out -> "void*"
# packageFamilyName : LPWSTR optional, out -> "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)。