MsiApplyPatchA

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

DWORD MsiApplyPatchA(
    LPCSTR szPatchPackage,
    LPCSTR szInstallPackage,   // optional
    INSTALLTYPE eInstallType,
    LPCSTR szCommandLine   // optional
);

<DllImport("msi.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function MsiApplyPatchA(
    <MarshalAs(UnmanagedType.LPStr)> szPatchPackage As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> szInstallPackage As String,   ' LPCSTR optional
    eInstallType As Integer,   ' INSTALLTYPE
    <MarshalAs(UnmanagedType.LPStr)> szCommandLine As String   ' LPCSTR optional
) As UInteger
End Function

' szPatchPackage : LPCSTR
' szInstallPackage : LPCSTR optional
' eInstallType : INSTALLTYPE
' szCommandLine : LPCSTR optional
Declare PtrSafe Function MsiApplyPatchA Lib "msi" ( _
    ByVal szPatchPackage As String, _
    ByVal szInstallPackage As String, _
    ByVal eInstallType As Long, _
    ByVal szCommandLine 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

MsiApplyPatchA = ctypes.windll.msi.MsiApplyPatchA
MsiApplyPatchA.restype = wintypes.DWORD
MsiApplyPatchA.argtypes = [
    wintypes.LPCSTR,  # szPatchPackage : LPCSTR
    wintypes.LPCSTR,  # szInstallPackage : LPCSTR optional
    ctypes.c_int,  # eInstallType : INSTALLTYPE
    wintypes.LPCSTR,  # szCommandLine : LPCSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msi.dll')
MsiApplyPatchA = Fiddle::Function.new(
  lib['MsiApplyPatchA'],
  [
    Fiddle::TYPE_VOIDP,  # szPatchPackage : LPCSTR
    Fiddle::TYPE_VOIDP,  # szInstallPackage : LPCSTR optional
    Fiddle::TYPE_INT,  # eInstallType : INSTALLTYPE
    Fiddle::TYPE_VOIDP,  # szCommandLine : LPCSTR optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "msi")]
extern "system" {
    fn MsiApplyPatchA(
        szPatchPackage: *const u8,  // LPCSTR
        szInstallPackage: *const u8,  // LPCSTR optional
        eInstallType: i32,  // INSTALLTYPE
        szCommandLine: *const u8  // LPCSTR optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msi.dll", CharSet = CharSet.Ansi)]
public static extern uint MsiApplyPatchA([MarshalAs(UnmanagedType.LPStr)] string szPatchPackage, [MarshalAs(UnmanagedType.LPStr)] string szInstallPackage, int eInstallType, [MarshalAs(UnmanagedType.LPStr)] string szCommandLine);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msi_MsiApplyPatchA' -Namespace Win32 -PassThru
# $api::MsiApplyPatchA(szPatchPackage, szInstallPackage, eInstallType, szCommandLine)

#uselib "msi.dll"
#func global MsiApplyPatchA "MsiApplyPatchA" sptr, sptr, sptr, sptr
; MsiApplyPatchA szPatchPackage, szInstallPackage, eInstallType, szCommandLine   ; 戻り値は stat
; szPatchPackage : LPCSTR -> "sptr"
; szInstallPackage : LPCSTR optional -> "sptr"
; eInstallType : INSTALLTYPE -> "sptr"
; szCommandLine : LPCSTR optional -> "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 "msi.dll"
#cfunc global MsiApplyPatchA "MsiApplyPatchA" str, str, int, str
; res = MsiApplyPatchA(szPatchPackage, szInstallPackage, eInstallType, szCommandLine)
; szPatchPackage : LPCSTR -> "str"
; szInstallPackage : LPCSTR optional -> "str"
; eInstallType : INSTALLTYPE -> "int"
; szCommandLine : LPCSTR optional -> "str"

; DWORD MsiApplyPatchA(LPCSTR szPatchPackage, LPCSTR szInstallPackage, INSTALLTYPE eInstallType, LPCSTR szCommandLine)
#uselib "msi.dll"
#cfunc global MsiApplyPatchA "MsiApplyPatchA" str, str, int, str
; res = MsiApplyPatchA(szPatchPackage, szInstallPackage, eInstallType, szCommandLine)
; szPatchPackage : LPCSTR -> "str"
; szInstallPackage : LPCSTR optional -> "str"
; eInstallType : INSTALLTYPE -> "int"
; szCommandLine : LPCSTR optional -> "str"

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

var (
	msi = windows.NewLazySystemDLL("msi.dll")
	procMsiApplyPatchA = msi.NewProc("MsiApplyPatchA")
)

// szPatchPackage (LPCSTR), szInstallPackage (LPCSTR optional), eInstallType (INSTALLTYPE), szCommandLine (LPCSTR optional)
r1, _, err := procMsiApplyPatchA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szPatchPackage))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szInstallPackage))),
	uintptr(eInstallType),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szCommandLine))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MsiApplyPatchA(
  szPatchPackage: PAnsiChar;   // LPCSTR
  szInstallPackage: PAnsiChar;   // LPCSTR optional
  eInstallType: Integer;   // INSTALLTYPE
  szCommandLine: PAnsiChar   // LPCSTR optional
): DWORD; stdcall;
  external 'msi.dll' name 'MsiApplyPatchA';

result := DllCall("msi\MsiApplyPatchA"
    , "AStr", szPatchPackage   ; LPCSTR
    , "AStr", szInstallPackage   ; LPCSTR optional
    , "Int", eInstallType   ; INSTALLTYPE
    , "AStr", szCommandLine   ; LPCSTR optional
    , "UInt")   ; return: DWORD

●MsiApplyPatchA(szPatchPackage, szInstallPackage, eInstallType, szCommandLine) = DLL("msi.dll", "dword MsiApplyPatchA(char*, char*, int, char*)")
# 呼び出し: MsiApplyPatchA(szPatchPackage, szInstallPackage, eInstallType, szCommandLine)
# szPatchPackage : LPCSTR -> "char*"
# szInstallPackage : LPCSTR optional -> "char*"
# eInstallType : INSTALLTYPE -> "int"
# szCommandLine : LPCSTR optional -> "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)。