GlobalAddAtomExA

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

WORD GlobalAddAtomExA(
    LPCSTR lpString,   // optional
    DWORD Flags
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GlobalAddAtomExA(
    <MarshalAs(UnmanagedType.LPStr)> lpString As String,   ' LPCSTR optional
    Flags As UInteger   ' DWORD
) As UShort
End Function

' lpString : LPCSTR optional
' Flags : DWORD
Declare PtrSafe Function GlobalAddAtomExA Lib "kernel32" ( _
    ByVal lpString As String, _
    ByVal Flags As Long) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GlobalAddAtomExA = ctypes.windll.kernel32.GlobalAddAtomExA
GlobalAddAtomExA.restype = ctypes.c_ushort
GlobalAddAtomExA.argtypes = [
    wintypes.LPCSTR,  # lpString : LPCSTR optional
    wintypes.DWORD,  # Flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GlobalAddAtomExA = Fiddle::Function.new(
  lib['GlobalAddAtomExA'],
  [
    Fiddle::TYPE_VOIDP,  # lpString : LPCSTR optional
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  -Fiddle::TYPE_SHORT)

#[link(name = "kernel32")]
extern "system" {
    fn GlobalAddAtomExA(
        lpString: *const u8,  // LPCSTR optional
        Flags: u32  // DWORD
    ) -> u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern ushort GlobalAddAtomExA([MarshalAs(UnmanagedType.LPStr)] string lpString, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GlobalAddAtomExA' -Namespace Win32 -PassThru
# $api::GlobalAddAtomExA(lpString, Flags)

#uselib "KERNEL32.dll"
#func global GlobalAddAtomExA "GlobalAddAtomExA" sptr, sptr
; GlobalAddAtomExA lpString, Flags   ; 戻り値は stat
; lpString : LPCSTR optional -> "sptr"
; Flags : DWORD -> "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 GlobalAddAtomExA "GlobalAddAtomExA" str, int
; res = GlobalAddAtomExA(lpString, Flags)
; lpString : LPCSTR optional -> "str"
; Flags : DWORD -> "int"

; WORD GlobalAddAtomExA(LPCSTR lpString, DWORD Flags)
#uselib "KERNEL32.dll"
#cfunc global GlobalAddAtomExA "GlobalAddAtomExA" str, int
; res = GlobalAddAtomExA(lpString, Flags)
; lpString : LPCSTR optional -> "str"
; Flags : DWORD -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGlobalAddAtomExA = kernel32.NewProc("GlobalAddAtomExA")
)

// lpString (LPCSTR optional), Flags (DWORD)
r1, _, err := procGlobalAddAtomExA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpString))),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WORD

function GlobalAddAtomExA(
  lpString: PAnsiChar;   // LPCSTR optional
  Flags: DWORD   // DWORD
): Word; stdcall;
  external 'KERNEL32.dll' name 'GlobalAddAtomExA';

result := DllCall("KERNEL32\GlobalAddAtomExA"
    , "AStr", lpString   ; LPCSTR optional
    , "UInt", Flags   ; DWORD
    , "UShort")   ; return: WORD

●GlobalAddAtomExA(lpString, Flags) = DLL("KERNEL32.dll", "int GlobalAddAtomExA(char*, dword)")
# 呼び出し: GlobalAddAtomExA(lpString, Flags)
# lpString : LPCSTR optional -> "char*"
# Flags : DWORD -> "dword"
# 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)。