我在用TC++3.0编译时出这个问题是怎么回事,那位高手帮帮我!!!

Error SAMPLE.C.655:Multiple declaration for 'clearbonus'
Error SAMPLE.C.655:Multiple declaration for
Error SAMPLE.C.655:Multiple declaration for
Error SAMPLE.C.655:Multiple declaration for
Error SAMPLE.C.655:Multiple declaration for
Error SAMPLE.C.655:Multiple declaration forError SAMPLE.C.655:Multiple declaration for