GetPriorityClass

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

DWORD GetPriorityClass(
    HANDLE hProcess
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetPriorityClass(
    hProcess As IntPtr   ' HANDLE
) As UInteger
End Function

' hProcess : HANDLE
Declare PtrSafe Function GetPriorityClass Lib "kernel32" ( _
    ByVal hProcess 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

GetPriorityClass = ctypes.windll.kernel32.GetPriorityClass
GetPriorityClass.restype = wintypes.DWORD
GetPriorityClass.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetPriorityClass = Fiddle::Function.new(
  lib['GetPriorityClass'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetPriorityClass(
        hProcess: *mut core::ffi::c_void  // HANDLE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern uint GetPriorityClass(IntPtr hProcess);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetPriorityClass' -Namespace Win32 -PassThru
# $api::GetPriorityClass(hProcess)

#uselib "KERNEL32.dll"
#func global GetPriorityClass "GetPriorityClass" sptr
; GetPriorityClass hProcess   ; 戻り値は stat
; hProcess : HANDLE -> "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 GetPriorityClass "GetPriorityClass" sptr
; res = GetPriorityClass(hProcess)
; hProcess : HANDLE -> "sptr"

; DWORD GetPriorityClass(HANDLE hProcess)
#uselib "KERNEL32.dll"
#cfunc global GetPriorityClass "GetPriorityClass" intptr
; res = GetPriorityClass(hProcess)
; hProcess : HANDLE -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetPriorityClass = kernel32.NewProc("GetPriorityClass")
)

// hProcess (HANDLE)
r1, _, err := procGetPriorityClass.Call(
	uintptr(hProcess),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetPriorityClass(
  hProcess: THandle   // HANDLE
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetPriorityClass';

result := DllCall("KERNEL32\GetPriorityClass"
    , "Ptr", hProcess   ; HANDLE
    , "UInt")   ; return: DWORD

●GetPriorityClass(hProcess) = DLL("KERNEL32.dll", "dword GetPriorityClass(void*)")
# 呼び出し: GetPriorityClass(hProcess)
# hProcess : HANDLE -> "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)。