Function windows_sys::Win32::UI::Shell::ShellMessageBoxA

pub unsafe extern "cdecl" fn ShellMessageBoxA(
    happinst: HINSTANCE,
    hwnd: HWND,
    lpctext: PCSTR,
    lpctitle: PCSTR,
    fustyle: MESSAGEBOX_STYLE
    ...
) -> i32

Required features: "Win32_Foundation", "Win32_UI_WindowsAndMessaging"