--- libmalloc/libmalloc-166.220.1/include/malloc/malloc.h
+++ libmalloc/libmalloc-317.121.1/include/malloc/malloc.h
@@ -29,6 +29,7 @@
 #include <sys/cdefs.h>
 #include <Availability.h>
 
+#ifndef RC_HIDE_HARDWARE_FALL_2018_IOS
 #if __has_feature(ptrauth_calls)
 #include <ptrauth.h>
 
@@ -51,6 +52,7 @@
 		FALSE, ptrauth_string_discriminator("malloc_introspect_tbl")) ptr
 
 #endif	// __has_feature(ptrauth_calls)
+#endif	// RC_HIDE_HARDWARE_FALL_2018_IOS
 
 #ifndef MALLOC_ZONE_FN_PTR
 #define MALLOC_ZONE_FN_PTR(fn) fn
@@ -215,6 +217,9 @@
 typedef void vm_range_recorder_t(task_t, void *, unsigned type, vm_range_t *, unsigned);
     /* given a task and context, "records" the specified addresses */
 
+/* Print function for the print_task() operation. */
+typedef void print_task_printer_t(const char *fmt, ...) __printflike(1,2);
+
 typedef struct malloc_introspection_t {
 	kern_return_t (* MALLOC_INTROSPECT_FN_PTR(enumerator))(task_t task, void *, unsigned type_mask, vm_address_t zone_address, memory_reader_t reader, vm_range_recorder_t recorder); /* enumerates all the malloc pointers in use */
 	size_t	(* MALLOC_INTROSPECT_FN_PTR(good_size))(malloc_zone_t *zone, size_t size);
@@ -236,7 +241,13 @@
     void	*enumerate_unavailable_without_blocks;   
 #endif /* __BLOCKS__ */
 	void	(* MALLOC_INTROSPECT_FN_PTR(reinit_lock))(malloc_zone_t *zone); /* Reinitialize zone locks, called only from atfork_child handler. Present in version >= 9. */
+	void	(* MALLOC_INTROSPECT_FN_PTR(print_task))(task_t task, unsigned level, vm_address_t zone_address, memory_reader_t reader, print_task_printer_t printer); /* debug print for another process. Present in version >= 11. */
+	void (* MALLOC_INTROSPECT_FN_PTR(task_statistics))(task_t task, vm_address_t zone_address, memory_reader_t reader, malloc_statistics_t *stats); /* Present in version >= 12 */
 } malloc_introspection_t;
+
+// The value of "level" when passed to print_task() that corresponds to
+// verbose passed to print()
+#define MALLOC_VERBOSE_PRINT_LEVEL	2
 
 extern void malloc_printf(const char *format, ...);
     /* Convenience for logging errors and warnings;