text: # GRC.H -- Global definitions and data structures for the RCURSOR (cursor read)
  # procedures.
  
  define	KEYSFILE	"lib$scr/cursor.key"
  define	KEYSTROKES	"ABCDEFHJKLMPRTUVWXYZ<>0123456789:="
  define	MAX_KEYS	128
  define	LEN_RCSTRUCT	(10+(128/SZ_STRUCT))
  
  define	RC_CASE		Memi[$1]		# case sensitive
  define	RC_MARKCUR	Memi[$1+1]		# mark cursor
  define	RC_PHYSOPEN	Memi[$1+2]		# physical open by rcursor
  define	RC_AXES		Memi[$1+3]		# draw axes if screen redrawn
  			# (open)
  define	RC_KEYS		Memc[P2C($1+10)+$2]	# keystroke mappings
  
  define	LEN_CT		2,4
  define	CT_TRAN		1
  define	CT_SCALE	2
  define	CT_WORIGIN	3
  define	CT_MORIGIN	4
  