diff --git a/cfg/gtk.cfg b/cfg/gtk.cfg
index 42d916549..1b467c18a 100644
--- a/cfg/gtk.cfg
+++ b/cfg/gtk.cfg
@@ -127,6 +127,7 @@
   <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_]"/>
+  <define name="g_slist_next(slist)" value="((slist) ? (((GSList *)(slist))-&gt;next) : NULL)"/>
   <memory>
     <alloc init="true">g_thread_new</alloc>
     <alloc init="true">g_thread_try_new</alloc>
@@ -953,6 +954,39 @@
   <function name="g_slist_append">
     <noreturn>false</noreturn>
   </function>
+  <!-- GSList * g_slist_copy (GSList *list); -->
+  <function name="g_slist_copy">
+    <noreturn>false</noreturn>
+    <returnValue type="GSList *"/>
+    <use-retval/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_slist_free (GSList *list); -->
+  <function name="g_slist_free">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1">
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- void g_slist_free_full (GSList *list, GDestroyNotify free_func); -->
+  <function name="g_slist_free_full">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1"/>
+    <arg nr="2"/>
+  </function>
+  <!-- void g_slist_free_1 (GSList *list); -->
+  <function name="g_slist_free_1">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1">
+      <not-bool/>
+    </arg>
+  </function>
   <function name="g_slist_insert_before">
     <noreturn>false</noreturn>
   </function>
@@ -965,8 +999,15 @@
   <function name="g_slist_insert_sorted_with_data">
     <noreturn>false</noreturn>
   </function>
+  <!-- GSList * g_slist_prepend (GSList *list, gpointer data); -->
   <function name="g_slist_prepend">
     <noreturn>false</noreturn>
+    <returnValue type="GSList *"/>
+    <use-retval/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2"/>
   </function>
   <!-- void gtk_list_store_set (GtkListStore *list_store,
                                 GtkTreeIter *iter,
@@ -1499,21 +1540,49 @@
     <leak-ignore/>
     <noreturn>false</noreturn>
   </function>
+  <!-- void g_slist_foreach (GSList *list, GFunc func, gpointer user_data); -->
   <function name="g_slist_foreach">
     <leak-ignore/>
     <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2"/>
+    <arg nr="3"/>
   </function>
+  <!-- gint g_slist_index (GSList *list, gconstpointer data); -->
   <function name="g_slist_index">
     <leak-ignore/>
     <noreturn>false</noreturn>
+    <returnValue type="gint"/>
+    <use-retval/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
   </function>
+  <!-- GSList * g_slist_last (GSList *list); -->
   <function name="g_slist_last">
     <leak-ignore/>
     <noreturn>false</noreturn>
+    <returnValue type="GSList *"/>
+    <use-retval/>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
   </function>
+  <!-- guint g_slist_length (GSList *list); -->
   <function name="g_slist_length">
     <leak-ignore/>
     <noreturn>false</noreturn>
+    <returnValue type="guint"/>
+    <use-retval/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
   </function>
   <function name="g_slist_nth">
     <leak-ignore/>