inptxtc (ul_pccns)

	status.i4.v = inptxtc(uprow.i4.v, lftcol.i4.v, text.i1a.r, nchars.i4.v,
			      string.i1a.r, len.i4.v)

	This routine will prompt the user to input a text string by
	creating a window on the color TV and displaying a prompt.
	It then waits until the user interrupts, deletes the window,
	and returns the string to the caller.

	uprow		Upper row where window should be placed
	lftcol		Left column where window should be placed
	text		Prompt string
	nchars		Number of characters in the prompt
	string		Returned text string
	len		Maximum allowable length of returned string

	This function requires the following include files: