Mlast last.c /^main(argc, argv)$/ addarg last.c /^addarg(type, arg)$/ addtty last.c /^addtty(ttyname)$/ hostconv last.c /^hostconv(arg)$/ onintr last.c /^onintr(signo)$/ ttyconv last.c /^ttyconv(arg)$/ want last.c /^want(bp, check)$/ wtmp last.c /^wtmp()$/