Function libxslt::bindings::xmlSaveToIO

pub unsafe extern "C" fn xmlSaveToIO(
    iowrite: Option<unsafe extern "C" fn(*mut c_void, *const i8, i32) -> i32>, 
    ioclose: Option<unsafe extern "C" fn(*mut c_void) -> i32>, 
    ioctx: *mut c_void, 
    encoding: *const i8, 
    options: i32
) -> *mut _xmlSaveCtxt