--- Libc/Libc-1592.100.35/include/stdlib.h
+++ Libc/Libc-1583.60.2/include/stdlib.h
@@ -442,7 +442,7 @@
 #ifndef UNIFDEF_DRIVERKIT
 void	 sranddev(void);
 void	 srandomdev(void);
-/* reallocf is now declared in _malloc.h */
+void	*reallocf(void *__ptr, size_t __size) __alloc_size(2);
 long long
 	strtonum(const char *__numstr, long long __minval, long long __maxval, const char **__errstrp)
 	__API_AVAILABLE(macos(10.16), ios(14.0), tvos(14.0), watchos(7.0));