Mat at.c /^main(argc, argv)$/ cleanup at.c /^cleanup()$/ copyenvironment at.c /^copyenvironment(spoolfile)$/ countdays at.c /^countdays()$/ getdateindex at.c /^getdateindex(date)$/ getname at.c /^getname(uid)$/ getnowtime at.c /^getnowtime(nowtime, attime)$/ isleap at.c /^isleap(year)$/ isnextyear at.c /^isnextyear()$/ isprefix at.c /^isprefix(prefix, fullname)$/ istomorrow at.c /^istomorrow()$/ makeatfile at.c /^makeatfile(atfile,year,dayofyear,hour,minute)$/ makedayofyear at.c /^makedayofyear(dateindex, av, ac)$/ maketime at.c /^maketime(attime,ptr)$/ printit at.c /^printit()$/ usage at.c /^usage()$/