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

Required features: "Win32_System_WindowsProgramming"