Function windows_sys::Win32::System::WindowsProgramming::GetFirmwareEnvironmentVariableExA

pub unsafe extern "system" fn GetFirmwareEnvironmentVariableExA(
    lpname: PCSTR,
    lpguid: PCSTR,
    pbuffer: *mut c_void,
    nsize: u32,
    pdwattribubutes: *mut u32
) -> u32