--- /dev/null
+++ libmalloc/libmalloc-657.60.21/private/make_tapi_happy.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2018 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @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);
+void _malloc_fork_parent(void);
+void _malloc_fork_prepare(void);
+
+/* For various debugging tools? */
+
+void scalable_zone_info(malloc_zone_t *zone, unsigned *info_to_fill, unsigned count);
+void (*malloc_error(void (*func)(int)))(int);
+extern uint64_t __mach_stack_logging_shared_memory_address;
+
+/* At least for malloc_replay.cpp */
+void mag_set_thread_index(unsigned int index);
+
+/* Externally visible from magazine_malloc.h. Not worth pulling the whole header into tapi just for this one. */
+
+boolean_t scalable_zone_statistics(malloc_zone_t *zone, malloc_statistics_t *stats, unsigned subzone);
+
+/* Globals for performance tools, replicated here from the top of malloc.c */
+
+typedef void(malloc_logger_t)(uint32_t type,
+		uintptr_t arg1,
+		uintptr_t arg2,
+		uintptr_t arg3,
+		uintptr_t result,
+		uint32_t num_hot_frames_to_skip);
+extern int32_t malloc_num_zones;
+extern int32_t malloc_num_zones_allocated;
+extern malloc_logger_t *malloc_logger;
+extern unsigned malloc_check_start;
+extern unsigned malloc_check_counter;
+extern unsigned malloc_check_each;
+extern int _malloc_no_asl_log;
+extern int _os_cpu_number_override;
+
+/* Globally visible for manual debugging? */
+
+extern unsigned szone_check_counter;
+extern unsigned szone_check_start;
+extern unsigned szone_check_modulo;
+
+/* CoreServices checkfixes */
+void malloc_create_legacy_default_zone(void);
+void zeroify_scalable_zone(malloc_zone_t *zone);
+
+/* This is extern-declared by some projects, like racoon (ipsec) */
+/* Maybe we can change it to a symbol-alias of free? */
+void vfree(void *ptr);
+
+/* Obsolete entry points. They don't work, don't use them. */
+void set_malloc_singlethreaded(boolean_t);
+void malloc_singlethreaded(void);
+int malloc_debug(int);
+
+/* WeChat references this, only god knows why.  This symbol does nothing. */
+extern int stack_logging_enable_logging;
+
+/* For debugging */
+void tiny_print_region_free_list(void *ptr, unsigned int slot);
+
+#endif // !__is_target_environment(exclavekit)