+void
+vl_msg_api_add_version (api_main_t * am, const char *string,
+ u32 major, u32 minor, u32 patch)
+{
+ api_version_t version = {.major = major,.minor = minor,.patch = patch };
+ ASSERT (strlen (string) < 64);
+ strncpy (version.name, string, 64 - 1);
+ vec_add1 (am->api_version_list, version);
+}
+
+u32
+vl_msg_api_get_msg_index (u8 * name_and_crc)
+{
+ api_main_t *am = &api_main;
+ uword *p;
+
+ if (am->msg_index_by_name_and_crc)
+ {
+ p = hash_get_mem (am->msg_index_by_name_and_crc, name_and_crc);
+ if (p)
+ return p[0];
+ }
+ return ~0;
+}
+
+void *
+vl_msg_push_heap (void)
+{
+ api_main_t *am = &api_main;
+ pthread_mutex_lock (&am->vlib_rp->mutex);
+ return svm_push_data_heap (am->vlib_rp);
+}
+
+void
+vl_msg_pop_heap (void *oldheap)
+{
+ api_main_t *am = &api_main;
+ svm_pop_heap (oldheap);
+ pthread_mutex_unlock (&am->vlib_rp->mutex);
+}
+