1 files changed, 70 insertions, 0 deletions
diff --git a/dict/pdict.h b/dict/pdict.h
new file mode 100644
index 0000000..bdd8065
--- /dev/null
+++ b/dict/pdict.h
@@ -0,0 +1,70 @@
+#ifndef _PDICT_H_
+#define _PDICT_H_
+
+typedef enum {
+	PDR_VALUE_CHANGED = 1,
+	PDR_ENTRY_ADDED,
+	PDR_ENTRY_REMOVING,
+	PDR_CURRENT_VALUE
+}  pdict_reason_t;
+
+/* The _t stands for typedef? */
+typedef struct pdict pdict_t;
+
+typedef void (*pdl_notify_func_t)(const char *k, 
+								  const char *v,
+								  pdict_reason_t r, 
+								  const char *pde_oldval, 
+								  void *arg);
+
+typedef int (*pdict_walk_func_t)(const char *k, 
+								 const char *v, 
+								 void *arg);
+
+pdict_t *pdict_alloc(void);
+
+int pdict_add(pdict_t *pd, 
+			  const char *k, 
+			  const char *v, 
+			  const char **ovp);
+
+int pdict_add_persistent_change_listener(pdict_t *pd, 
+										 const char *kpat,
+										 pdl_notify_func_t, 
+										 void *);
+
+int pdict_walk(pdict_t *pd, 
+			   pdict_walk_func_t, 
+			   void *arg);
+
+/*
+ * Return whether a given key is in the dictionary.  If v is set, it
+ * will be set to point to a copy of the value, which must be freed by
+ * the caller.
+ */
+int pdict_ent_lookup(pdict_t *pd, 
+					 const char *k, 
+					 const char **v);
+
+int pdict_ent_add_change_listener(pdict_t *pd, 
+								  const char *k,
+								  pdl_notify_func_t, 
+								  void *);
+
+int pdict_ent_remove_change_listener(pdict_t *pd, 
+									 const char *k,
+									 pdl_notify_func_t, 
+									 void *);
+
+int pdict_remove_persistent_change_listener(pdict_t *pd, 
+											int id);
+
+int pdict_ent_remove(pdict_t *pd, 
+					 const char *k, 
+					 char **ovp);
+
+const char *pdict_reason_str(pdict_reason_t);
+
+pdict_reason_t pdict_reason_from_str(const char *);
+
+#endif