diff --git a/lib/connex.c b/lib/connex.c
index b0ec444..8ae7160 100644
--- a/lib/connex.c
+++ b/lib/connex.c
@@ -249,6 +249,25 @@ int connections_init(conn_sys_t *ssys)
   return r;
 }
 
+int connections_free(conn_sys_t *ssys)
+{
+  __destroy_rpc_list_tree(ssys->system_rpc->rpc_tree);
+  free(ssys->system_rpc->rpc_tree);
+  free(ssys->system_rpc);
+  free(ssys->connections);
+  pthread_rwlock_destroy(&(ssys->rwlock));
+
+  return 0;
+}
+
+int connections_destroy(conn_sys_t *ssys)
+{
+  int r = connections_free(ssys);
+  free(ssys);
+
+  return r;
+}
+
 conn_sys_t *connections_create(void)
 {
   int r = 0;
@@ -289,3 +308,38 @@ int connections_setsslserts(conn_sys_t *ssys, const char *rootca,
 
   return r;
 }
+
+struct __scerrcode {
+  int code;
+  const char *desc;
+};
+
+static struct __scerrcode __lerr[] = {
+  {SNE_SUCCESS, "Success"},
+  {SNE_FAILED, "Failed, invalid parameters given"},
+  {SNE_ENOMEM, "Not enough memory"},
+  {SNE_BADPROTO, "Bad protocol"},
+  {SNE_ENORPC, "No such RPC exists"},
+  {SNE_EPERM, "Permission denied"},
+  {SNE_TOOLONG, "Message data payload too long to be sent with one message pass"},
+  {SNE_EBUSY, "Index or working threads are busy"},
+  {SNE_WOULDBLOCK, "Call will block operation"},
+  {SNE_LINKERROR, "Connection link error"},
+  {SNE_NOSUCHMSG, "No such message"},
+  {SNE_NOSUCHCHAN, "No such channel"},
+  {SNE_ETIMEDOUT, "Timeout exceed"},
+  {SNE_IGNORED, "Function call was ignored"},
+  {SNE_REPLYREQ, "Reply required to the message"},
+  {SNE_RAPIDMSG, "Message is a rapid reply and dialog closed"},
+  {SNE_ESSL, "SSL error occurs on connection link"},
+  {SNE_NOCHANNELS, "No channels available"},
+  {SNE_MCHANNELS, "Active channels limit exceed"},
+  {SNE_MMESSAGES, "Active messages limit exceed"},
+  {SNE_LINKBROKEN, "Connection link was broken"},
+  {SNE_INVALINDEX, "Invalid index given"},
+};
+
+const char *sntll_errno2cstr(int ec)
+{
+  return __lerr[ec - __SNTL_EPREFIX].desc;
+}