/*	the key:
	LDI	defined and initialized: storage set aside
	LIB	defined on a library
	LDC	defined as a common region on UNIX
	LDX	defined by an extern: if ! pflag, same as LDI
	LRV	function returns a value
	LUV	function used in a value context
	LUE	function used in effects context
	LUM	mentioned somewhere other than at the declaration
	*/
# define LDI 01
# define LIB 02
# define LDC 04
# define LDX 010
# define LRV 020
# define LUV 040
# define LUE 0100
# define LUM 0200