PathCompactPathExA

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

BOOL PathCompactPathExA(
    LPSTR pszOut,
    LPCSTR pszSrc,
    DWORD cchMax,
    DWORD dwFlags
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function PathCompactPathExA(
    <MarshalAs(UnmanagedType.LPStr)> pszOut As System.Text.StringBuilder,   ' LPSTR out
    <MarshalAs(UnmanagedType.LPStr)> pszSrc As String,   ' LPCSTR
    cchMax As UInteger,   ' DWORD
    dwFlags As UInteger   ' DWORD
) As Boolean
End Function

' pszOut : LPSTR out
' pszSrc : LPCSTR
' cchMax : DWORD
' dwFlags : DWORD
Declare PtrSafe Function PathCompactPathExA Lib "shlwapi" ( _
    ByVal pszOut As String, _
    ByVal pszSrc As String, _
    ByVal cchMax As Long, _
    ByVal dwFlags 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

PathCompactPathExA = ctypes.windll.shlwapi.PathCompactPathExA
PathCompactPathExA.restype = wintypes.BOOL
PathCompactPathExA.argtypes = [
    wintypes.LPSTR,  # pszOut : LPSTR out
    wintypes.LPCSTR,  # pszSrc : LPCSTR
    wintypes.DWORD,  # cchMax : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
PathCompactPathExA = Fiddle::Function.new(
  lib['PathCompactPathExA'],
  [
    Fiddle::TYPE_VOIDP,  # pszOut : LPSTR out
    Fiddle::TYPE_VOIDP,  # pszSrc : LPCSTR
    -Fiddle::TYPE_INT,  # cchMax : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn PathCompactPathExA(
        pszOut: *mut u8,  // LPSTR out
        pszSrc: *const u8,  // LPCSTR
        cchMax: u32,  // DWORD
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern bool PathCompactPathExA([MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszOut, [MarshalAs(UnmanagedType.LPStr)] string pszSrc, uint cchMax, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_PathCompactPathExA' -Namespace Win32 -PassThru
# $api::PathCompactPathExA(pszOut, pszSrc, cchMax, dwFlags)

#uselib "SHLWAPI.dll"
#func global PathCompactPathExA "PathCompactPathExA" sptr, sptr, sptr, sptr
; PathCompactPathExA varptr(pszOut), pszSrc, cchMax, dwFlags   ; 戻り値は stat
; pszOut : LPSTR out -> "sptr"
; pszSrc : LPCSTR -> "sptr"
; cchMax : DWORD -> "sptr"
; dwFlags : 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 "SHLWAPI.dll"
#cfunc global PathCompactPathExA "PathCompactPathExA" var, str, int, int
; res = PathCompactPathExA(pszOut, pszSrc, cchMax, dwFlags)
; pszOut : LPSTR out -> "var"
; pszSrc : LPCSTR -> "str"
; cchMax : DWORD -> "int"
; dwFlags : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL PathCompactPathExA(LPSTR pszOut, LPCSTR pszSrc, DWORD cchMax, DWORD dwFlags)
#uselib "SHLWAPI.dll"
#cfunc global PathCompactPathExA "PathCompactPathExA" var, str, int, int
; res = PathCompactPathExA(pszOut, pszSrc, cchMax, dwFlags)
; pszOut : LPSTR out -> "var"
; pszSrc : LPCSTR -> "str"
; cchMax : DWORD -> "int"
; dwFlags : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procPathCompactPathExA = shlwapi.NewProc("PathCompactPathExA")
)

// pszOut (LPSTR out), pszSrc (LPCSTR), cchMax (DWORD), dwFlags (DWORD)
r1, _, err := procPathCompactPathExA.Call(
	uintptr(pszOut),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszSrc))),
	uintptr(cchMax),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PathCompactPathExA(
  pszOut: PAnsiChar;   // LPSTR out
  pszSrc: PAnsiChar;   // LPCSTR
  cchMax: DWORD;   // DWORD
  dwFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'SHLWAPI.dll' name 'PathCompactPathExA';

result := DllCall("SHLWAPI\PathCompactPathExA"
    , "Ptr", pszOut   ; LPSTR out
    , "AStr", pszSrc   ; LPCSTR
    , "UInt", cchMax   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: BOOL

●PathCompactPathExA(pszOut, pszSrc, cchMax, dwFlags) = DLL("SHLWAPI.dll", "bool PathCompactPathExA(char*, char*, dword, dword)")
# 呼び出し: PathCompactPathExA(pszOut, pszSrc, cchMax, dwFlags)
# pszOut : LPSTR out -> "char*"
# pszSrc : LPCSTR -> "char*"
# cchMax : DWORD -> "dword"
# dwFlags : 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)。