1Mmv mv.c /^main(argc, argv)$/ 2copy mv.c /^copy(from, to)$/ 3do_move mv.c /^do_move(from, to)$/ 4error mv.c /^error(s)$/ 5fastcopy mv.c /^fastcopy(from, to, sbp)$/ 6usage mv.c /^usage()$/ 7