diff --git a/cfg/gtk.cfg b/cfg/gtk.cfg
index 300d3ece2..029cd4c5a 100644
--- a/cfg/gtk.cfg
+++ b/cfg/gtk.cfg
@@ -114,6 +114,12 @@
   <!-- https://github.com/GNOME/glib/blob/master/glib/glist.h -->
   <define name="g_list_previous(list)" value="((list) ? (((GList *)(list))-&gt;prev) : NULL)"/>
   <define name="g_list_next(list)" value="((list) ? (((GList *)(list))-&gt;next) : NULL)"/>
+  <!-- https://github.com/GNOME/glib/blob/master/glib/garray.h -->
+  <define name="g_array_append_val(a,v)" value="g_array_append_vals (a, &amp;(v), 1)"/>
+  <define name="g_array_prepend_val(a,v)" value="g_array_prepend_vals (a, &amp;(v), 1)"/>
+  <define name="g_array_insert_val(a,i,v)" value="g_array_insert_vals (a, i, &amp;(v), 1)"/>
+  <define name="g_array_index(a,t,i)" value="(((t*) (void *) (a)-&gt;data) [(i)])"/>
+  <define name="g_ptr_array_index(array,index_)" value="((array)-&gt;pdata)[index_]"/>
   <memory>
     <alloc init="true">g_thread_new</alloc>
     <alloc init="true">g_thread_try_new</alloc>
@@ -4174,6 +4180,18 @@
     <leak-ignore/>
     <noreturn>false</noreturn>
   </function>
+  <!-- gchar * g_build_filename (const gchar *first_element, ...); -->
+  <function name="g_build_filename">
+    <noreturn>false</noreturn>
+    <returnValue type="gchar *"/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <strz/>
+    </arg>
+    <arg nr="variadic" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
   <function name="g_bytes_compare">
     <leak-ignore/>
     <noreturn>false</noreturn>
@@ -5713,6 +5731,14 @@
     <leak-ignore/>
     <noreturn>false</noreturn>
   </function>
+  <!-- void g_strfreev (gchar **str_array); -->
+  <function name="g_strfreev">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- GString * g_string_append (GString *string, const gchar *val); -->
   <function name="g_string_append">
     <leak-ignore/>
@@ -6141,6 +6167,14 @@
     <arg nr="1" direction="in"/>
     <arg nr="2" direction="in"/>
   </function>
+  <!-- GLIB_AVAILABLE_IN_ALL gpointer g_type_instance_get_private (GTypeInstance *instance, GType private_type); -->
+  <function name="g_type_instance_get_private">
+    <noreturn>false</noreturn>
+    <returnValue type="gpointer"/>
+    <use-retval/>
+    <arg nr="1"/>
+    <arg nr="2"/>
+  </function>
   <!-- GLIB_AVAILABLE_IN_ALL gboolean g_type_test_flags (GType type, guint flags) G_GNUC_CONST; -->
   <function name="g_type_test_flags">
     <noreturn>false</noreturn>