StrCmpNA

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

INT StrCmpNA(
    LPCSTR psz1,
    LPCSTR psz2,
    INT nChar
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function StrCmpNA(
    <MarshalAs(UnmanagedType.LPStr)> psz1 As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> psz2 As String,   ' LPCSTR
    nChar As Integer   ' INT
) As Integer
End Function

' psz1 : LPCSTR
' psz2 : LPCSTR
' nChar : INT
Declare PtrSafe Function StrCmpNA Lib "shlwapi" ( _
    ByVal psz1 As String, _
    ByVal psz2 As String, _
    ByVal nChar 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

StrCmpNA = ctypes.windll.shlwapi.StrCmpNA
StrCmpNA.restype = ctypes.c_int
StrCmpNA.argtypes = [
    wintypes.LPCSTR,  # psz1 : LPCSTR
    wintypes.LPCSTR,  # psz2 : LPCSTR
    ctypes.c_int,  # nChar : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
StrCmpNA = Fiddle::Function.new(
  lib['StrCmpNA'],
  [
    Fiddle::TYPE_VOIDP,  # psz1 : LPCSTR
    Fiddle::TYPE_VOIDP,  # psz2 : LPCSTR
    Fiddle::TYPE_INT,  # nChar : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn StrCmpNA(
        psz1: *const u8,  // LPCSTR
        psz2: *const u8,  // LPCSTR
        nChar: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern int StrCmpNA([MarshalAs(UnmanagedType.LPStr)] string psz1, [MarshalAs(UnmanagedType.LPStr)] string psz2, int nChar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_StrCmpNA' -Namespace Win32 -PassThru
# $api::StrCmpNA(psz1, psz2, nChar)

#uselib "SHLWAPI.dll"
#func global StrCmpNA "StrCmpNA" sptr, sptr, sptr
; StrCmpNA psz1, psz2, nChar   ; 戻り値は stat
; psz1 : LPCSTR -> "sptr"
; psz2 : LPCSTR -> "sptr"
; nChar : 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 "SHLWAPI.dll"
#cfunc global StrCmpNA "StrCmpNA" str, str, int
; res = StrCmpNA(psz1, psz2, nChar)
; psz1 : LPCSTR -> "str"
; psz2 : LPCSTR -> "str"
; nChar : INT -> "int"

; INT StrCmpNA(LPCSTR psz1, LPCSTR psz2, INT nChar)
#uselib "SHLWAPI.dll"
#cfunc global StrCmpNA "StrCmpNA" str, str, int
; res = StrCmpNA(psz1, psz2, nChar)
; psz1 : LPCSTR -> "str"
; psz2 : LPCSTR -> "str"
; nChar : INT -> "int"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procStrCmpNA = shlwapi.NewProc("StrCmpNA")
)

// psz1 (LPCSTR), psz2 (LPCSTR), nChar (INT)
r1, _, err := procStrCmpNA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(psz1))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(psz2))),
	uintptr(nChar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function StrCmpNA(
  psz1: PAnsiChar;   // LPCSTR
  psz2: PAnsiChar;   // LPCSTR
  nChar: Integer   // INT
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'StrCmpNA';

result := DllCall("SHLWAPI\StrCmpNA"
    , "AStr", psz1   ; LPCSTR
    , "AStr", psz2   ; LPCSTR
    , "Int", nChar   ; INT
    , "Int")   ; return: INT

●StrCmpNA(psz1, psz2, nChar) = DLL("SHLWAPI.dll", "int StrCmpNA(char*, char*, int)")
# 呼び出し: StrCmpNA(psz1, psz2, nChar)
# psz1 : LPCSTR -> "char*"
# psz2 : LPCSTR -> "char*"
# nChar : 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)。