-void SproingieSwap(void);
-
-extern struct gllist *s1_1;
-extern struct gllist *s1_2;
-extern struct gllist *s1_3;
-extern struct gllist *s1_4;
-extern struct gllist *s1_5;
-extern struct gllist *s1_6;
-extern struct gllist *s1_b;
+extern const struct gllist *s1_1;
+extern const struct gllist *s1_2;
+extern const struct gllist *s1_3;
+extern const struct gllist *s1_4;
+extern const struct gllist *s1_5;
+extern const struct gllist *s1_6;
+extern const struct gllist *s1_b;