AddFontResourceA

// GDI32.dll  (ANSI / -A)
#include <windows.h>

INT AddFontResourceA(
    LPCSTR param0
);

<DllImport("GDI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function AddFontResourceA(
    <MarshalAs(UnmanagedType.LPStr)> param0 As String   ' LPCSTR
) As Integer
End Function

' param0 : LPCSTR
Declare PtrSafe Function AddFontResourceA Lib "gdi32" ( _
    ByVal param0 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

AddFontResourceA = ctypes.windll.gdi32.AddFontResourceA
AddFontResourceA.restype = ctypes.c_int
AddFontResourceA.argtypes = [
    wintypes.LPCSTR,  # param0 : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
AddFontResourceA = Fiddle::Function.new(
  lib['AddFontResourceA'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn AddFontResourceA(
        param0: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll", CharSet = CharSet.Ansi)]
public static extern int AddFontResourceA([MarshalAs(UnmanagedType.LPStr)] string param0);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_AddFontResourceA' -Namespace Win32 -PassThru
# $api::AddFontResourceA(param0)

#uselib "GDI32.dll"
#func global AddFontResourceA "AddFontResourceA" sptr
; AddFontResourceA param0   ; 戻り値は stat
; param0 : 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 "GDI32.dll"
#cfunc global AddFontResourceA "AddFontResourceA" str
; res = AddFontResourceA(param0)
; param0 : LPCSTR -> "str"

; INT AddFontResourceA(LPCSTR param0)
#uselib "GDI32.dll"
#cfunc global AddFontResourceA "AddFontResourceA" str
; res = AddFontResourceA(param0)
; param0 : LPCSTR -> "str"

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procAddFontResourceA = gdi32.NewProc("AddFontResourceA")
)

// param0 (LPCSTR)
r1, _, err := procAddFontResourceA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(param0))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function AddFontResourceA(
  param0: PAnsiChar   // LPCSTR
): Integer; stdcall;
  external 'GDI32.dll' name 'AddFontResourceA';

result := DllCall("GDI32\AddFontResourceA"
    , "AStr", param0   ; LPCSTR
    , "Int")   ; return: INT

●AddFontResourceA(param0) = DLL("GDI32.dll", "int AddFontResourceA(char*)")
# 呼び出し: AddFontResourceA(param0)
# param0 : 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)。