<memory>（包括了auto_ptr，shared_ptr等各种指针）

This header defines general utilities to manage dynamic memory:

Allocators

allocator

Default allocator (class template )

allocator_arg 

Allocator arg (object )

allocator_arg_t 

Allocator arg type (class )

allocator_traits 

Allocator traits (class template )

Managed pointers

auto_ptr

Automatic Pointer [deprecated] (class template )

auto_ptr_ref

Reference to automatic pointer (class template )

shared_ptr 

Shared pointer (class template )

weak_ptr 

Weak shared pointer (class template )

unique_ptr 

Unique pointer (class template )

default_delete 

Default deleter (class template )

Functions and classes related to shared_ptr:

make_shared 

Make shared_ptr (function template )

allocate_shared 

Allocate shared_ptr (function template )

static_pointer_cast 

Static cast of shared_ptr (function template )

dynamic_pointer_cast 

Dynamic cast of shared_ptr (function template )

const_pointer_cast 

Const cast of shared_ptr (function template )

get_deleter 

Get deleter from shared_ptr (function template )

owner_less 

Owner-based less-than operation (class template )

enable_shared_from_this 

Enable shared_from_this (class template )

Uninitialized memory

Raw storage iterator:

raw_storage_iterator

Raw storage iterator (class template )

Temporary buffers:

get_temporary_buffer

Get block of temporary memory (function template )

return_temporary_buffer

Return block of temporary memory (function template )

Specialized algorithms:

uninitialized_copy

Copy block of memory (function template )

uninitialized_copy_n 

Copy block of memory (function template )

uninitialized_fill

Fill block of memory (function template )

uninitialized_fill_n

Fill block of memory (function template )

Memory model

pointer_traits 

Pointer traits (class template )

pointer_safety 

Pointer safety enum (enum class )

declare_reachable 

Declare pointer as reachable (function )

undeclare_reachable 

Undeclare pointer as reachable (function template )

declare_no_pointers 

Declare memory block as containing no pointers (function )

undeclare_no_pointers 

Undeclare memory block as containing no pointers (function )

get_pointer_safety 

Get pointer safety (function )

align 

Align in range (function )

addressof 

Address of object or function (function template )

http://www.cplusplus.com/reference/memory/