1 files changed, 7 insertions, 0 deletions

diff --git a/toxcore/group.h b/toxcore/group.h
index d4c77f49..3764bf94 100644
--- a/toxcore/group.h
+++ b/toxcore/group.h
@@ -214,6 +214,13 @@ int group_names(const Group_Chats *g_c, int groupnumber, uint8_t names[][MAX_NAM
  */
 uint32_t count_chatlist(Group_Chats *g_c);
 
+/* Copy a list of valid chat IDs into the array out_list.
+ * If out_list is NULL, returns 0.
+ * Otherwise, returns the number of elements copied.
+ * If the array was too small, the contents
+ * of out_list will be truncated to list_size. */
+uint32_t copy_chatlist(Group_Chats *g_c, int32_t *out_list, uint32_t list_size);
+
 /* Send current name (set in messenger) to all online groups.
  */
 void send_name_all_groups(Group_Chats *g_c);