Function libxslt::bindings::xmlRelaxNGGetParserErrors

pub unsafe extern "C" fn xmlRelaxNGGetParserErrors(
    ctxt: *mut _xmlRelaxNGParserCtxt, 
    err: *mut Option<unsafe extern "C" fn(*mut c_void, *const i8, ...)>, 
    warn: *mut Option<unsafe extern "C" fn(*mut c_void, *const i8, ...)>, 
    ctx: *mut *mut c_void
) -> i32