| libc { | 
 |   GLIBC_2.0 { | 
 |     # global variables | 
 |     _obstack; | 
 |  | 
 |     # interface of malloc functions | 
 |     __libc_calloc; __libc_free; __libc_mallinfo; __libc_malloc; | 
 |     __libc_mallopt; __libc_memalign; __libc_pvalloc; __libc_realloc; | 
 |     __libc_valloc; | 
 |     __malloc_initialize_hook; __free_hook; __malloc_hook; __realloc_hook; | 
 |     __memalign_hook; __after_morecore_hook; | 
 |     __malloc_initialized; __default_morecore; __morecore; | 
 |  | 
 |     # functions used in inline functions or macros | 
 |     _obstack_allocated_p; _obstack_begin; _obstack_begin_1; | 
 |     _obstack_free; _obstack_memory_used; _obstack_newchunk; | 
 |  | 
 |     # variables in normal name space | 
 |     mallwatch; obstack_alloc_failed_handler; obstack_exit_failure; | 
 |  | 
 |     # c* | 
 |     calloc; cfree; | 
 |  | 
 |     # f* | 
 |     free; | 
 |  | 
 |     # m* | 
 |     mallinfo; malloc; malloc_get_state; malloc_set_state; malloc_stats; | 
 |     malloc_trim; malloc_usable_size; mallopt; memalign; mprobe; mtrace; | 
 |     muntrace; | 
 |  | 
 |     # o* | 
 |     obstack_free; | 
 |  | 
 |     # p* | 
 |     pvalloc; | 
 |  | 
 |     # r* | 
 |     realloc; | 
 |  | 
 |     # t* | 
 |     tr_break; | 
 |  | 
 |     # v* | 
 |     valloc; | 
 |   } | 
 |   GLIBC_2.1 { | 
 |     # Special functions. | 
 |     __libc_freeres; | 
 |   } | 
 |   GLIBC_2.2 { | 
 |     # m* | 
 |     mcheck_check_all; mcheck_pedantic; | 
 |  | 
 |     # p* | 
 |     posix_memalign; | 
 |   } | 
 |   GLIBC_2.10 { | 
 |     malloc_info; | 
 |   } | 
 |   GLIBC_2.16 { | 
 |     aligned_alloc; | 
 |   } | 
 |   GLIBC_PRIVATE { | 
 |     # Internal startup hook for libpthread. | 
 |     __libc_malloc_pthread_startup; | 
 |  | 
 |     # Internal destructor hook for libpthread. | 
 |     __libc_thread_freeres; | 
 |  | 
 |     # struct scratch_buffer support | 
 |     __libc_scratch_buffer_grow; | 
 |     __libc_scratch_buffer_grow_preserve; | 
 |     __libc_scratch_buffer_set_array_size; | 
 |   } | 
 | } |