extern double hist_scale;
-extern void hist_read_rec PARAMS ((FILE *, const char *));
-extern void hist_write_hist PARAMS ((FILE *, const char *));
-extern void hist_assign_samples PARAMS ((void));
-extern void hist_print PARAMS ((void));
+extern void hist_read_rec (FILE *, const char *);
+extern void hist_write_hist (FILE *, const char *);
+extern void hist_assign_samples (void);
+extern void hist_print (void);
#endif /* hist_h */