--- ray/src/common/lookup.h	1998/09/02 18:42:11	2.5
+++ ray/src/common/lookup.h	2003/07/14 22:23:59	2.10
@@ -1,11 +1,16 @@
-/* Copyright (c) 1998 Silicon Graphics, Inc. */
-
-/* SCCSid "$SunId$ SGI" */
-
+/* RCSid $Id: lookup.h,v 2.10 2003/07/14 22:23:59 schorsch Exp $ */
 /*
  * Header file for general associative table lookup routines
  */
+#ifndef _RAD_LOOKUP_H_
+#define _RAD_LOOKUP_H_
 
+#include <string.h> /* strcmp() */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct {
 	char	*key;			/* key name */
 	unsigned long	hval;		/* key hash value (for efficiency) */
@@ -73,11 +78,16 @@ typedef struct {
  * allocated table itself.
  */
 
-extern int	lu_init();
-extern LUENT	*lu_find();
-extern void	lu_delete();
-extern int	lu_doall();
-extern void	lu_done();
-extern unsigned long	lu_shash();
+extern int	lu_init(LUTAB *tbl, int nel);
+extern unsigned long	lu_shash(char *s);
+extern LUENT	*lu_find(LUTAB *tbl, char *key);
+extern void	lu_delete(LUTAB *tbl, char *key);
+extern int	lu_doall(LUTAB *tbl, int (*f)());
+extern void	lu_done(LUTAB *tbl);
 
-extern int	strcmp();
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _RAD_LOOKUP_H_ */
+