GetProfileIntA

// KERNEL32.dll  (ANSI / -A)
#include <windows.h>

DWORD GetProfileIntA(
    LPCSTR lpAppName,
    LPCSTR lpKeyName,
    INT nDefault
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function GetProfileIntA(
    <MarshalAs(UnmanagedType.LPStr)> lpAppName As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> lpKeyName As String,   ' LPCSTR
    nDefault As Integer   ' INT
) As UInteger
End Function

' lpAppName : LPCSTR
' lpKeyName : LPCSTR
' nDefault : INT
Declare PtrSafe Function GetProfileIntA Lib "kernel32" ( _
    ByVal lpAppName As String, _
    ByVal lpKeyName As String, _
    ByVal nDefault As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetProfileIntA = ctypes.windll.kernel32.GetProfileIntA
GetProfileIntA.restype = wintypes.DWORD
GetProfileIntA.argtypes = [
    wintypes.LPCSTR,  # lpAppName : LPCSTR
    wintypes.LPCSTR,  # lpKeyName : LPCSTR
    ctypes.c_int,  # nDefault : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetProfileIntA = Fiddle::Function.new(
  lib['GetProfileIntA'],
  [
    Fiddle::TYPE_VOIDP,  # lpAppName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpKeyName : LPCSTR
    Fiddle::TYPE_INT,  # nDefault : INT
  ],
  -Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetProfileIntA(
        lpAppName: *const u8,  // LPCSTR
        lpKeyName: *const u8,  // LPCSTR
        nDefault: i32  // INT
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi)]
public static extern uint GetProfileIntA([MarshalAs(UnmanagedType.LPStr)] string lpAppName, [MarshalAs(UnmanagedType.LPStr)] string lpKeyName, int nDefault);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetProfileIntA' -Namespace Win32 -PassThru
# $api::GetProfileIntA(lpAppName, lpKeyName, nDefault)

#uselib "KERNEL32.dll"
#func global GetProfileIntA "GetProfileIntA" sptr, sptr, sptr
; GetProfileIntA lpAppName, lpKeyName, nDefault   ; 戻り値は stat
; lpAppName : LPCSTR -> "sptr"
; lpKeyName : LPCSTR -> "sptr"
; nDefault : INT -> "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 GetProfileIntA "GetProfileIntA" str, str, int
; res = GetProfileIntA(lpAppName, lpKeyName, nDefault)
; lpAppName : LPCSTR -> "str"
; lpKeyName : LPCSTR -> "str"
; nDefault : INT -> "int"

; DWORD GetProfileIntA(LPCSTR lpAppName, LPCSTR lpKeyName, INT nDefault)
#uselib "KERNEL32.dll"
#cfunc global GetProfileIntA "GetProfileIntA" str, str, int
; res = GetProfileIntA(lpAppName, lpKeyName, nDefault)
; lpAppName : LPCSTR -> "str"
; lpKeyName : LPCSTR -> "str"
; nDefault : INT -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetProfileIntA = kernel32.NewProc("GetProfileIntA")
)

// lpAppName (LPCSTR), lpKeyName (LPCSTR), nDefault (INT)
r1, _, err := procGetProfileIntA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpAppName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpKeyName))),
	uintptr(nDefault),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetProfileIntA(
  lpAppName: PAnsiChar;   // LPCSTR
  lpKeyName: PAnsiChar;   // LPCSTR
  nDefault: Integer   // INT
): DWORD; stdcall;
  external 'KERNEL32.dll' name 'GetProfileIntA';

result := DllCall("KERNEL32\GetProfileIntA"
    , "AStr", lpAppName   ; LPCSTR
    , "AStr", lpKeyName   ; LPCSTR
    , "Int", nDefault   ; INT
    , "UInt")   ; return: DWORD

●GetProfileIntA(lpAppName, lpKeyName, nDefault) = DLL("KERNEL32.dll", "dword GetProfileIntA(char*, char*, int)")
# 呼び出し: GetProfileIntA(lpAppName, lpKeyName, nDefault)
# lpAppName : LPCSTR -> "char*"
# lpKeyName : LPCSTR -> "char*"
# nDefault : INT -> "int"
# 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)。