diff --git a/library/DFTypes_C.cpp b/library/DFTypes_C.cpp
index 9957ef0a1..9677ae9f1 100644
--- a/library/DFTypes_C.cpp
+++ b/library/DFTypes_C.cpp
@@ -57,6 +57,10 @@ int (*alloc_matgloss_buffer_callback)(t_matgloss*, uint32_t) = NULL;
 int (*alloc_descriptor_buffer_callback)(t_descriptor_color*, uint32_t) = NULL;
 int (*alloc_matgloss_other_buffer_callback)(t_matglossOther*, uint32_t) = NULL;
 
+int (*alloc_t_feature_buffer_callback)(t_feature*, uint32_t) = NULL;
+int (*alloc_t_hotkey_buffer_callback)(t_hotkey*, uint32_t) = NULL;
+int (*alloc_t_screen_buffer_callback)(t_screen*, uint32_t) = NULL;
+
 int (*alloc_t_customWorkshop_buffer_callback)(t_customWorkshop*, uint32_t) = NULL;
 int (*alloc_t_material_buffer_callback)(t_material*, uint32_t) = NULL;
 
diff --git a/library/include/dfhack-c/DFTypes_C.h b/library/include/dfhack-c/DFTypes_C.h
index 112e195d4..4bb9676bf 100644
--- a/library/include/dfhack-c/DFTypes_C.h
+++ b/library/include/dfhack-c/DFTypes_C.h
@@ -49,6 +49,10 @@ DFHACK_EXPORT extern int (*alloc_matgloss_buffer_callback)(t_matgloss*, uint32_t
 DFHACK_EXPORT extern int (*alloc_descriptor_buffer_callback)(t_descriptor_color*, uint32_t);
 DFHACK_EXPORT extern int (*alloc_matgloss_other_buffer_callback)(t_matglossOther*, uint32_t);
 
+DFHACK_EXPORT extern int (*alloc_t_feature_buffer_callback)(t_feature*, uint32_t);
+DFHACK_EXPORT extern int (*alloc_t_hotkey_buffer_callback)(t_hotkey*, uint32_t);
+DFHACK_EXPORT extern int (*alloc_t_screen_buffer_callback)(t_screen*, uint32_t);
+
 struct t_customWorkshop
 {
 	uint32_t index;