Mcalendar	calendar.c	/^main(argc, argv)$/
cal	calendar.c	/^cal()$/
closecal	calendar.c	/^closecal(fp)$/
getday	calendar.c	/^getday(s)$/
getfield	calendar.c	/^getfield(p, endp, flags)$/
getmonth	calendar.c	/^getmonth(s)$/
isnow	calendar.c	/^isnow(endp)$/
opencal	calendar.c	/^opencal()$/
settime	calendar.c	/^settime()$/
usage	calendar.c	/^usage()$/