/*****************************************************************************

	calend.c	calender program		v1.0
			copywrite: 	Harold Z. Bencowitz
					Beaumont, Texas
					10-mar-87

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description:

	calender is a program written in whitesmith's C to display the
	calender for a selected month. it will accept any month and year
	from 1583 - 32000. the program has only been tested on a PDP-11/73
	system under TSX+ v6.16. it requires a vt100 or vt200 series
	terminal.

operating instructions:

	run calend month,year
	or
	run calend month year
	or
	calend
	>

	month must be a number 1 - 12. if the year is < 100, 1900 is added
	ie one can enter 1987 or 87. if no month or year is given, the
	current date is used. once the initial calender is displayed,
	the arrow keys are active. up and down will increase and decrease
	the year whereas right and left will increase and decrease the month.
	the program can be terminated by control-c or <delete>. it will not
	run unless the terminal is a vt1** or vt2**.

revision history:

	v1.0 completed		march 10, 1987

installation/building:

	the distribution kit consists of calend.c (source code),
	vt.(c, obj) (video terminal library), hclib (c, obj) (my c library),
	and calend.sav. to compile the Whitesmith's C compiler (and library)
	is needed.