move h_eq_ptr and h_hash_ptr into datastructures.c / internal.h

src/cfgrammar.c

@@ -5,10 +5,6 @@
 #include <ctype.h>
 
 
-bool h_eq_ptr(const void *p, const void *q) { return (p==q); }
-HHashValue h_hash_ptr(const void *p) { return (uintptr_t)p; }
-
-
 HCFGrammar *h_cfgrammar_new(HAllocator *mm__)
 {
   HCFGrammar *g = h_new(HCFGrammar, 1);

src/datastructures.c

@@ -236,3 +236,10 @@ void  h_hashtable_free(HHashTable* ht) {
   h_arena_free(ht->arena, ht->contents);
 }
 
+bool h_eq_ptr(const void *p, const void *q) {
+  return (p==q);
+}
+
+HHashValue h_hash_ptr(const void *p) {
+  return (uintptr_t)p;
+}

src/internal.h

@@ -265,6 +265,9 @@ typedef HHashTable HHashSet;
 #define h_hashset_del(ht,el)     h_hashtable_del(ht,el)
 #define h_hashset_free(ht)       h_hashtable_free(ht)
 
+bool h_eq_ptr(const void *p, const void *q);
+HHashValue h_hash_ptr(const void *p);
+
 typedef struct HCFSequence_ HCFSequence;
 
 typedef struct HCFChoice_ {