more packages stuff

packages/PLStream/pl-opts.h

@@ -0,0 +1,24 @@
+		 /*******************************
+		 *	   OPTION LISTS		*
+		 *******************************/
+
+#define OPT_BOOL	(0)		/* types */
+#define OPT_INT		(1)
+#define OPT_STRING	(2)
+#define OPT_ATOM	(3)
+#define OPT_TERM	(4)		/* arbitrary term */
+#define OPT_LONG	(5)
+#define OPT_NATLONG	(6)		/* > 0 */
+#define OPT_TYPE_MASK	0xff
+#define OPT_INF		0x100		/* allow 'inf' */
+
+#define OPT_ALL		0x1		/* flags */
+
+typedef struct
+{ atom_t	name;			/* Name of option */
+  int		type;			/* Type of option */
+} opt_spec, *OptSpec;
+
+extern bool scan_options(term_t options, int flags, atom_t optype,
+			 const opt_spec *specs, ...);
+