PathRemoveBackslashA

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

LPSTR PathRemoveBackslashA(
    LPSTR pszPath
);

<DllImport("SHLWAPI.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function PathRemoveBackslashA(
    <MarshalAs(UnmanagedType.LPStr)> pszPath As System.Text.StringBuilder   ' LPSTR in/out
) As IntPtr
End Function

' pszPath : LPSTR in/out
Declare PtrSafe Function PathRemoveBackslashA Lib "shlwapi" ( _
    ByVal pszPath As String) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PathRemoveBackslashA = ctypes.windll.shlwapi.PathRemoveBackslashA
PathRemoveBackslashA.restype = wintypes.LPSTR
PathRemoveBackslashA.argtypes = [
    wintypes.LPSTR,  # pszPath : LPSTR in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
PathRemoveBackslashA = Fiddle::Function.new(
  lib['PathRemoveBackslashA'],
  [
    Fiddle::TYPE_VOIDP,  # pszPath : LPSTR in/out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "shlwapi")]
extern "system" {
    fn PathRemoveBackslashA(
        pszPath: *mut u8  // LPSTR in/out
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll", CharSet = CharSet.Ansi)]
public static extern IntPtr PathRemoveBackslashA([MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszPath);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_PathRemoveBackslashA' -Namespace Win32 -PassThru
# $api::PathRemoveBackslashA(pszPath)

#uselib "SHLWAPI.dll"
#func global PathRemoveBackslashA "PathRemoveBackslashA" sptr
; PathRemoveBackslashA varptr(pszPath)   ; 戻り値は stat
; pszPath : LPSTR in/out -> "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 PathRemoveBackslashA "PathRemoveBackslashA" var
; res = PathRemoveBackslashA(pszPath)
; pszPath : LPSTR in/out -> "var"
; ※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。

; LPSTR PathRemoveBackslashA(LPSTR pszPath)
#uselib "SHLWAPI.dll"
#cfunc global PathRemoveBackslashA "PathRemoveBackslashA" var
; res = PathRemoveBackslashA(pszPath)
; pszPath : LPSTR in/out -> "var"
; ※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")
	procPathRemoveBackslashA = shlwapi.NewProc("PathRemoveBackslashA")
)

// pszPath (LPSTR in/out)
r1, _, err := procPathRemoveBackslashA.Call(
	uintptr(pszPath),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPSTR

function PathRemoveBackslashA(
  pszPath: PAnsiChar   // LPSTR in/out
): PAnsiChar; stdcall;
  external 'SHLWAPI.dll' name 'PathRemoveBackslashA';

result := DllCall("SHLWAPI\PathRemoveBackslashA"
    , "Ptr", pszPath   ; LPSTR in/out
    , "Ptr")   ; return: LPSTR

●PathRemoveBackslashA(pszPath) = DLL("SHLWAPI.dll", "char* PathRemoveBackslashA(char*)")
# 呼び出し: PathRemoveBackslashA(pszPath)
# pszPath : LPSTR in/out -> "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)。