diff --git a/library/DFTypes_C.cpp b/library/DFTypes_C.cpp
index 9677ae9f1..2f996863e 100644
--- a/library/DFTypes_C.cpp
+++ b/library/DFTypes_C.cpp
@@ -39,6 +39,9 @@ using namespace std;
 
 using namespace DFHack;
 
+#define BUILD(a) a ## BufferCallback
+#define REG_MACRO(type_name, type, callback) void BUILD(Register ## type_name) (int (*fptr)(type, uint32_t)) { callback = fptr; }
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -80,6 +83,62 @@ int (*alloc_vein_buffer_callback)(t_vein*, uint32_t) = NULL;
 int (*alloc_frozenliquidvein_buffer_callback)(t_frozenliquidvein*, uint32_t) = NULL;
 int (*alloc_spattervein_buffer_callback)(t_spattervein*, uint32_t) = NULL;
 
+REG_MACRO(Byte, int8_t*, alloc_byte_buffer_callback)
+REG_MACRO(Short, int16_t*, alloc_short_buffer_callback)
+REG_MACRO(Int, int32_t*, alloc_int_buffer_callback)
+REG_MACRO(UByte, uint8_t*, alloc_ubyte_buffer_callback)
+REG_MACRO(UShort, uint16_t*, alloc_ushort_buffer_callback)
+REG_MACRO(UInt, uint32_t*, alloc_uint_buffer_callback)
+REG_MACRO(Char, char*, alloc_char_buffer_callback)
+REG_MACRO(Matgloss, t_matgloss*, alloc_matgloss_buffer_callback)
+REG_MACRO(DescriptorColor, t_descriptor_color*, alloc_descriptor_buffer_callback)
+REG_MACRO(MatglossOther, t_matglossOther*, alloc_matgloss_other_buffer_callback)
+REG_MACRO(Feature, t_feature*, alloc_t_feature_buffer_callback)
+REG_MACRO(Hotkey, t_hotkey*, alloc_t_hotkey_buffer_callback)
+REG_MACRO(Screen, t_screen*, alloc_t_screen_buffer_callback)
+REG_MACRO(CustomWorkshop, t_customWorkshop*, alloc_t_customWorkshop_buffer_callback)
+REG_MACRO(Material, t_material*, alloc_t_material_buffer_callback)
+
+void RegisterEmptyColorModifierCallback(int (*funcptr)(c_colormodifier*))
+{
+	alloc_empty_colormodifier_callback = funcptr;
+}
+
+void RegisterNewColorModifierCallback(int (*funcptr)(c_colormodifier*, const char*, uint32_t))
+{
+	alloc_colormodifier_callback = funcptr;
+}
+
+REG_MACRO(ColorModifier, c_colormodifier*, alloc_colormodifier_buffer_callback)
+
+void RegisterEmptyCreatureCasteCallback(int (*funcptr)(c_creaturecaste*))
+{
+	alloc_empty_creaturecaste_callback = funcptr;
+}
+
+void RegisterNewCreatureCasteCallback(int (*funcptr)(c_creaturecaste*, const char*, const char*, const char*, const char*, uint32_t, uint32_t))
+{
+	alloc_creaturecaste_callback = funcptr;
+}
+
+REG_MACRO(CreatureCaste, c_creaturecaste*, alloc_creaturecaste_buffer_callback)
+
+void RegisterEmptyCreatureTypeCallback(int (*funcptr)(c_creaturetype*))
+{
+	alloc_empty_creaturetype_callback = funcptr;
+}
+
+void RegisterNewCreatureTypeCallback(int (*funcptr)(c_creaturetype*, const char*, uint32_t, uint32_t, uint8_t, uint16_t, uint16_t, uint16_t))
+{
+	alloc_creaturetype_callback = funcptr;
+}
+
+REG_MACRO(CreatureType, c_creaturetype*, alloc_creaturetype_buffer_callback)
+
+REG_MACRO(Vein, t_vein*, alloc_vein_buffer_callback)
+REG_MACRO(FrozenLiquidVein, t_frozenliquidvein*, alloc_frozenliquidvein_buffer_callback)
+REG_MACRO(SpatterVein, t_spattervein*, alloc_spattervein_buffer_callback)
+
 int DFHack_isWallTerrain(int in)
 {
 	return DFHack::isWallTerrain(in);
diff --git a/library/include/dfhack-c/DFTypes_C.h b/library/include/dfhack-c/DFTypes_C.h
index 49bd54dc9..39efbd46f 100644
--- a/library/include/dfhack-c/DFTypes_C.h
+++ b/library/include/dfhack-c/DFTypes_C.h
@@ -54,6 +54,24 @@ 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);
 
+DFHACK_EXPORT void RegisterByteBufferCallback(int (*funcptr)(int8_t*, uint32_t));
+DFHACK_EXPORT void RegisterShortBufferCallback(int (*funcptr)(int16_t*, uint32_t));
+DFHACK_EXPORT void RegisterIntBufferCallback(int (*funcptr)(int32_t*, uint32_t));
+
+DFHACK_EXPORT void RegisterUByteBufferCallback(int (*funcptr)(uint8_t*, uint32_t));
+DFHACK_EXPORT void RegisterUShortBufferCallback(int (*funcptr)(uint16_t*, uint32_t));
+DFHACK_EXPORT void RegisterUIntBufferCallback(int (*funcptr)(uint32_t*, uint32_t));
+
+DFHACK_EXPORT void RegisterCharBufferCallback(int (*funcptr)(char*, uint32_t));
+
+DFHACK_EXPORT void RegisterMatglossBufferCallback(int (*funcptr)(t_matgloss*, uint32_t));
+DFHACK_EXPORT void RegisterDescriptorColorBufferCallback(int (*funcptr)(t_descriptor_color*, uint32_t));
+DFHACK_EXPORT void RegisterMatglossOtherBufferCallback(int (*funcptr)(t_matglossOther*, uint32_t));
+
+DFHACK_EXPORT void RegisterFeatureBufferCallback(int (*funcptr)(t_feature*, uint32_t));
+DFHACK_EXPORT void RegisterHotkeyBufferCallback(int (*funcptr)(t_hotkey*, uint32_t));
+DFHACK_EXPORT void RegisterScreenBufferCallback(int (*funcptr)(t_screen*, uint32_t));
+
 struct t_customWorkshop
 {
 	uint32_t index;
@@ -61,9 +79,11 @@ struct t_customWorkshop
 };
 
 DFHACK_EXPORT extern int (*alloc_t_customWorkshop_buffer_callback)(t_customWorkshop*, uint32_t);
-
 DFHACK_EXPORT extern int (*alloc_t_material_buffer_callback)(t_material*, uint32_t);
 
+DFHACK_EXPORT void RegisterCustomWorkshopBufferCallback(int (*funcptr)(t_customWorkshop*, uint32_t));
+DFHACK_EXPORT void RegisterMaterialBufferCallback(int (*funcptr)(t_material*, uint32_t));
+
 struct c_colormodifier
 {
 	char part[128];
@@ -75,6 +95,10 @@ DFHACK_EXPORT extern int (*alloc_empty_colormodifier_callback)(c_colormodifier*)
 DFHACK_EXPORT extern int (*alloc_colormodifier_callback)(c_colormodifier*, const char*, uint32_t);
 DFHACK_EXPORT extern int (*alloc_colormodifier_buffer_callback)(c_colormodifier*, uint32_t);
 
+DFHACK_EXPORT void RegisterEmptyColorModifierCallback(int (*funcptr)(c_colormodifier*));
+DFHACK_EXPORT void RegisterNewColorModifierCallback(int (*funcptr)(c_colormodifier*, const char*, uint32_t));
+DFHACK_EXPORT void RegisterColorModifierBufferCallback(int (*funcptr)(c_colormodifier*, uint32_t));
+
 struct c_creaturecaste
 {
 	char rawname[128];
@@ -93,6 +117,10 @@ DFHACK_EXPORT extern int (*alloc_empty_creaturecaste_callback)(c_creaturecaste*)
 DFHACK_EXPORT extern int (*alloc_creaturecaste_callback)(c_creaturecaste*, const char*, const char*, const char*, const char*, uint32_t, uint32_t);
 DFHACK_EXPORT extern int (*alloc_creaturecaste_buffer_callback)(c_creaturecaste*, uint32_t);
 
+DFHACK_EXPORT void RegisterEmptyCreatureCasteCallback(int (*funcptr)(c_creaturecaste*));
+DFHACK_EXPORT void RegisterNewCreatureCasteCallback(int (*funcptr)(c_creaturecaste*, const char*, const char*, const char*, const char*, uint32_t, uint32_t));
+DFHACK_EXPORT void RegisterCreatureCasteBufferCallback(int (*funcptr)(c_creaturecaste*, uint32_t));
+
 struct c_creaturetype
 {
 	char rawname[128];
@@ -121,14 +149,22 @@ DFHACK_EXPORT extern int (*alloc_vein_buffer_callback)(t_vein*, uint32_t);
 DFHACK_EXPORT extern int (*alloc_frozenliquidvein_buffer_callback)(t_frozenliquidvein*, uint32_t);
 DFHACK_EXPORT extern int (*alloc_spattervein_buffer_callback)(t_spattervein*, uint32_t);
 
-DFHACK_EXPORT extern int DFHack_isWallTerrain(int in);
-DFHACK_EXPORT extern int DFHack_isFloorTerrain(int in);
-DFHACK_EXPORT extern int DFHack_isRampTerrain(int in);
-DFHACK_EXPORT extern int DFHack_isStairTerrain(int in);
-DFHACK_EXPORT extern int DFHack_isOpenTerrain(int in);
-DFHACK_EXPORT extern int DFHack_getVegetationType(int in);
+DFHACK_EXPORT void RegisterEmptyCreatureTypeCallback(int (*funcptr)(c_creaturetype*));
+DFHACK_EXPORT void RegisterNewCreatureTypeCallback(int (*funcptr)(c_creaturetype*, const char*, uint32_t, uint32_t, uint8_t, uint16_t, uint16_t, uint16_t));
+DFHACK_EXPORT void RegisterCreatureTypeBufferCallback(int (*funcptr)(c_creaturetype*, uint32_t));
+
+DFHACK_EXPORT void RegisterVeinBufferCallback(int (*funcptr)(t_vein*, uint32_t));
+DFHACK_EXPORT void RegisterFrozenLiquidVeinBufferCallback(int (*funcptr)(t_frozenliquidvein*, uint32_t));
+DFHACK_EXPORT void RegisterSpatterVeinBufferCallback(int (*funcptr)(t_spattervein*, uint32_t));
+
+DFHACK_EXPORT int DFHack_isWallTerrain(int in);
+DFHACK_EXPORT int DFHack_isFloorTerrain(int in);
+DFHACK_EXPORT int DFHack_isRampTerrain(int in);
+DFHACK_EXPORT int DFHack_isStairTerrain(int in);
+DFHACK_EXPORT int DFHack_isOpenTerrain(int in);
+DFHACK_EXPORT int DFHack_getVegetationType(int in);
 
-DFHACK_EXPORT extern int DFHack_getTileType(int index, TileRow* tPtr);
+DFHACK_EXPORT int DFHack_getTileType(int index, TileRow* tPtr);
 
 #ifdef __cplusplus
 }