--- libmalloc/libmalloc-409.60.6/private/make_tapi_happy.h
+++ libmalloc/libmalloc-646.40.3/private/make_tapi_happy.h
@@ -21,8 +21,36 @@
  * @APPLE_LICENSE_HEADER_END@
  */
 
+#include <stdbool.h>
+
 /* Make TAPI happy by declaring things that other projects forward-declare. */
 /* This header is not installed anywhere. */
+
+#include <malloc/malloc.h>
+
+typedef malloc_zone_t *xzm_malloc_zone_t;
+typedef uint8_t xzm_segment_group_id_t;
+typedef uint8_t xzm_xzone_bucket_t;
+extern malloc_zone_t **malloc_zones;
+
+#if defined(__LP64__)
+extern const struct malloc_introspection_t xzm_malloc_zone_introspect;
+
+bool
+xzm_ptr_lookup_4test(xzm_malloc_zone_t zone, void *ptr,
+		xzm_segment_group_id_t *sgid_out, xzm_xzone_bucket_t *bucket_out);
+
+uint8_t
+xzm_type_choose_ptr_bucket_4test(const union xzm_bucketing_keys_u *const keys,
+		uint8_t ptr_bucket_count, malloc_type_descriptor_t type_desc);
+
+#endif // defined(__LP64__)
+
+#if __is_target_environment(exclavecore) || __is_target_environment(exclavekit)
+
+extern unsigned malloc_num_zones;
+
+#else
 
 /* For Libsystem */
 void _malloc_fork_child(void);
@@ -52,7 +80,6 @@
 		uint32_t num_hot_frames_to_skip);
 extern int32_t malloc_num_zones;
 extern int32_t malloc_num_zones_allocated;
-extern malloc_zone_t **malloc_zones;
 extern malloc_logger_t *malloc_logger;
 extern unsigned malloc_check_start;
 extern unsigned malloc_check_counter;
@@ -85,3 +112,4 @@
 /* For debugging */
 void tiny_print_region_free_list(void *ptr, unsigned int slot);
 
+#endif // !__is_target_environment(exclavekit)