1Mwhereis whereis.c /^main(argc, argv)$/ 2find whereis.c /^find(dirs, cp)$/ 3findin whereis.c /^findin(dir, cp)$/ 4findv whereis.c /^findv(dirv, dirc, cp)$/ 5getlist whereis.c /^getlist(argcp, argvp, flagp, cntp)$/ 6itsit whereis.c /^itsit(cp, dp)$/ 7lookbin whereis.c /^lookbin(cp)$/ 8lookman whereis.c /^lookman(cp)$/ 9looksrc whereis.c /^looksrc(cp)$/ 10lookup whereis.c /^lookup(cp)$/ 11zerof whereis.c /^zerof()$/ 12