1 		 /*******************************
2 		 *	   OPTION LISTS		*
3 		 *******************************/
4 
5 #define OPT_BOOL	(0)		/* types */
6 #define OPT_INT		(1)
7 #define OPT_STRING	(2)
8 #define OPT_ATOM	(3)
9 #define OPT_TERM	(4)		/* arbitrary term */
10 #define OPT_LONG	(5)
11 #define OPT_NATLONG	(6)		/* > 0 */
12 #define OPT_TYPE_MASK	0xff
13 #define OPT_INF		0x100		/* allow 'inf' */
14 
15 #define OPT_ALL		0x1		/* flags */
16 
17 typedef struct
18 { atom_t	name;			/* Name of option */
19   int		type;			/* Type of option */
20 } opt_spec, *OptSpec;
21 
22 extern bool scan_options(term_t options, int flags, atom_t optype,
23 			 const opt_spec *specs, ...);
24 
25