--- a/lib/hash.h
+++ b/lib/hash.h
@@ -1,5 +1,5 @@
 /* hash - hashing table processing.
-   Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2001, 2003 Free Software Foundation, Inc.
    Written by Jim Meyering <meyering@ascend.com>, 1998.
 
    This program is free software; you can redistribute it and/or modify
@@ -26,18 +26,10 @@
 
 # include <stdio.h>
 
-# ifndef PARAMS
-#  if PROTOTYPES || __STDC__
-#   define PARAMS(Args) Args
-#  else
-#   define PARAMS(Args) ()
-#  endif
-# endif
-
-typedef unsigned (*Hash_hasher) PARAMS ((const void *, unsigned));
-typedef bool (*Hash_comparator) PARAMS ((const void *, const void *));
-typedef void (*Hash_data_freer) PARAMS ((void *));
-typedef bool (*Hash_processor) PARAMS ((void *, void *));
+typedef unsigned (*Hash_hasher) (const void *, unsigned);
+typedef bool (*Hash_comparator) (const void *, const void *);
+typedef void (*Hash_data_freer) (void *);
+typedef bool (*Hash_processor) (void *, void *);
 
 struct hash_entry
   {
@@ -64,32 +56,32 @@
 typedef struct hash_table Hash_table;
 
 /* Information and lookup.  */
-unsigned hash_get_n_buckets PARAMS ((const Hash_table *));
-unsigned hash_get_n_buckets_used PARAMS ((const Hash_table *));
-unsigned hash_get_n_entries PARAMS ((const Hash_table *));
-unsigned hash_get_max_bucket_length PARAMS ((const Hash_table *));
-bool hash_table_ok PARAMS ((const Hash_table *));
-void hash_print_statistics PARAMS ((const Hash_table *, FILE *));
-void *hash_lookup PARAMS ((const Hash_table *, const void *));
+unsigned hash_get_n_buckets (const Hash_table *);
+unsigned hash_get_n_buckets_used (const Hash_table *);
+unsigned hash_get_n_entries (const Hash_table *);
+unsigned hash_get_max_bucket_length (const Hash_table *);
+bool hash_table_ok (const Hash_table *);
+void hash_print_statistics (const Hash_table *, FILE *);
+void *hash_lookup (const Hash_table *, const void *);
 
 /* Walking.  */
-void *hash_get_first PARAMS ((const Hash_table *));
-void *hash_get_next PARAMS ((const Hash_table *, const void *));
-unsigned hash_get_entries PARAMS ((const Hash_table *, void **, unsigned));
-unsigned hash_do_for_each PARAMS ((const Hash_table *, Hash_processor, void *));
+void *hash_get_first (const Hash_table *);
+void *hash_get_next (const Hash_table *, const void *);
+unsigned hash_get_entries (const Hash_table *, void **, unsigned);
+unsigned hash_do_for_each (const Hash_table *, Hash_processor, void *);
 
 /* Allocation and clean-up.  */
-unsigned hash_string PARAMS ((const char *, unsigned));
-void hash_reset_tuning PARAMS ((Hash_tuning *));
-Hash_table *hash_initialize PARAMS ((unsigned, const Hash_tuning *,
-				     Hash_hasher, Hash_comparator,
-				     Hash_data_freer));
-void hash_clear PARAMS ((Hash_table *));
-void hash_free PARAMS ((Hash_table *));
+unsigned hash_string (const char *, unsigned);
+void hash_reset_tuning (Hash_tuning *);
+Hash_table *hash_initialize (unsigned, const Hash_tuning *,
+			     Hash_hasher, Hash_comparator,
+			     Hash_data_freer);
+void hash_clear (Hash_table *);
+void hash_free (Hash_table *);
 
 /* Insertion and deletion.  */
-bool hash_rehash PARAMS ((Hash_table *, unsigned));
-void *hash_insert PARAMS ((Hash_table *, const void *));
-void *hash_delete PARAMS ((Hash_table *, const void *));
+bool hash_rehash (Hash_table *, unsigned);
+void *hash_insert (Hash_table *, const void *);
+void *hash_delete (Hash_table *, const void *);
 
 #endif