StrCmpICA

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

INT StrCmpICA(
    LPCSTR pszStr1,
    LPCSTR pszStr2
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function StrCmpICA(
    <MarshalAs(UnmanagedType.LPStr)> pszStr1 As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pszStr2 As String   ' LPCSTR
) As Integer
End Function

' pszStr1 : LPCSTR
' pszStr2 : LPCSTR
Declare PtrSafe Function StrCmpICA Lib "shlwapi" ( _
    ByVal pszStr1 As String, _
    ByVal pszStr2 As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

StrCmpICA = ctypes.windll.shlwapi.StrCmpICA
StrCmpICA.restype = ctypes.c_int
StrCmpICA.argtypes = [
    wintypes.LPCSTR,  # pszStr1 : LPCSTR
    wintypes.LPCSTR,  # pszStr2 : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
StrCmpICA = Fiddle::Function.new(
  lib['StrCmpICA'],
  [
    Fiddle::TYPE_VOIDP,  # pszStr1 : LPCSTR
    Fiddle::TYPE_VOIDP,  # pszStr2 : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn StrCmpICA(
        pszStr1: *const u8,  // LPCSTR
        pszStr2: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern int StrCmpICA([MarshalAs(UnmanagedType.LPStr)] string pszStr1, [MarshalAs(UnmanagedType.LPStr)] string pszStr2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_StrCmpICA' -Namespace Win32 -PassThru
# $api::StrCmpICA(pszStr1, pszStr2)

#uselib "SHLWAPI.dll"
#func global StrCmpICA "StrCmpICA" sptr, sptr
; StrCmpICA pszStr1, pszStr2   ; 戻り値は stat
; pszStr1 : LPCSTR -> "sptr"
; pszStr2 : LPCSTR -> "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 StrCmpICA "StrCmpICA" str, str
; res = StrCmpICA(pszStr1, pszStr2)
; pszStr1 : LPCSTR -> "str"
; pszStr2 : LPCSTR -> "str"

; INT StrCmpICA(LPCSTR pszStr1, LPCSTR pszStr2)
#uselib "SHLWAPI.dll"
#cfunc global StrCmpICA "StrCmpICA" str, str
; res = StrCmpICA(pszStr1, pszStr2)
; pszStr1 : LPCSTR -> "str"
; pszStr2 : LPCSTR -> "str"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procStrCmpICA = shlwapi.NewProc("StrCmpICA")
)

// pszStr1 (LPCSTR), pszStr2 (LPCSTR)
r1, _, err := procStrCmpICA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszStr1))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszStr2))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function StrCmpICA(
  pszStr1: PAnsiChar;   // LPCSTR
  pszStr2: PAnsiChar   // LPCSTR
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'StrCmpICA';

result := DllCall("SHLWAPI\StrCmpICA"
    , "AStr", pszStr1   ; LPCSTR
    , "AStr", pszStr2   ; LPCSTR
    , "Int")   ; return: INT

●StrCmpICA(pszStr1, pszStr2) = DLL("SHLWAPI.dll", "int StrCmpICA(char*, char*)")
# 呼び出し: StrCmpICA(pszStr1, pszStr2)
# pszStr1 : LPCSTR -> "char*"
# pszStr2 : 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)。