Remove dict_ prefix for dictionnary.

See commit on shared-pointer.

example/ex-dict02.c

@@ -1,10 +1,10 @@
 #include "m-dict.h"
 
 // Let's define a dictionary of 'unsigned int' --> 'char
-DICT_DEF2(m32, unsigned int, M_DEFAULT_OPLIST, char, M_DEFAULT_OPLIST)
+DICT_DEF2(dict_m32, unsigned int, M_DEFAULT_OPLIST, char, M_DEFAULT_OPLIST)
 
 // Let's create a synonym for its oplist.
-#define M32_OPLIST DICT_OPLIST(m32, M_DEFAULT_OPLIST, M_DEFAULT_OPLIST)
+#define M32_OPLIST DICT_OPLIST(dict_m32, M_DEFAULT_OPLIST, M_DEFAULT_OPLIST)
 
 #if 1 // Non macro version.
 
@@ -16,9 +16,9 @@ int main(void) {
   int is_missing = (k != NULL);             // true
   assert (is_missing);
   dict_m32_remove(h, 5);                    // h is now empty
-  dict_it_m32_t it;                         // iterate over all dictionnary
+  dict_m32_it_t it;                         // iterate over all dictionnary
   for (dict_m32_it (it, h) ; !dict_m32_end_p (it); dict_m32_next(it)) {
-    dict_pair_m32_t *item = dict_m32_ref(it);
+    dict_m32_pair_t *item = dict_m32_ref(it);
     (*item)->value = 1;                        // Set its value to 1
   }
   dict_m32_clear(h);                        // h is cleared