C++ 最新的所有头文件，要经常看呀

<cstdlib>	General purpose utilities: program control, dynamic memory allocation, random numbers, sort and search
<csignal>	Functions and macro constants for signal management
<csetjmp>	Macro (and function) that saves (and jumps) to an execution context
<cstdarg>	Handling of variable length argument lists
<typeinfo>	Runtime type information utilities
<typeindex>(since C++11)	std::type_index
<type_traits>(since C++11)	Compile-time type information
<bitset>	std::bitset class template
<functional>	Function objects, designed for use with thestandard algorithms
<utility>	Various utility components
<ctime>	C-style time/date utilites
<chrono>(since C++11)	C++ time utilites
<cstddef>	typedefs for types such as size_t, NULL and others
<initializer_list>(since C++11)	std::initializer_list class template
<tuple>(since C++11)	std::tuple class template
Dynamic memory management
<new>	Low-level memory management utilities
<memory>	Higher level memory management utilities
<scoped_allocator>(since C++11)	Nested allocator class
Numeric limits
<climits>	limits of integral types
<cfloat>	limits of float types
<cstdint>	fixed-size types andlimits of other types
<cinttypes>	formatting macros,intmax_t and uintmax_t math and conversions
<limits>	standardized way to query properties of fundamental types
Error handling
<exception>	Exception handling utilities
<stdexcept>	Standard exception objects
<cassert>	Conditionally compiled macro that compares its argument to zero
<system_error>	defines std::error_code, a platform-dependent error code
<cerrno>	Macro containing the last error number
Strings library
<cctype>	functions to determine the type contained in character data
<cwctype>	functions for determining the type of wide character data
<cstring>	various narrow character string handling functions
<cwstring>	various wide character string handling functions
<cwchar>	various wide and multibyte string handling functions
<cuchar>(since C++11)	C-style Unicode character conversion functions
<string>	std::basic_string class template
Containers library
<array>(since C++11)	std::array container
<vector>	std::vector container
<deque>	std::deque container
<list>	std::list container
<forward_list>(since C++11)	std::forward_list container
<set>	std::set andstd::multiset associative containers
<map>	std::map andstd::multimap associative containers
<unordered_set>(since C++11)	std::unordered_set andstd::unordered_multiset unordered associative containers
<unordered_map>(since C++11)	std::unordered_map andstd::unordered_multimap unordered associative containers
<stack>	std::stack container adaptor
<queue>	std::queue andstd::priority_queue container adaptors
Algorithms library
<algorithm>	Algorithms that operate on containers
Iterators library
<iterator>	Container iterators
Numerics library
<cmath>	Common mathematics functions
<complex>	Complex number type
<valarray>	Class for representing and manipulating arrays of values
<random>	Random number generators and distributions
<numeric>	Numeric operations on values in containers
<ratio>(since C++11)	Compile-time rational arithmetic
<cfenv>(since C++11)	Floating-point environment access functions
Input/output library
<iosfwd>	forward declarations of all classes in the input/output library
<ios>	std::ios_base class,std::basic_ios class template and several typedefs
<istream>	std::basic_istream class template and several typedefs
<ostream>	std::basic_ostream class template and several typedefs
<iostream>	std::basic_iostream class template and several typedefs
<fstream>	std::basic_fstream,std::basic_ifstream,std::basic_ofstream class templates and several typedefs
<sstream>	std::basic_stringstream,std::basic_istringstream,std::basic_ostringstream class templates and several typedefs
<strstream>	std::strstream,std::istrstream,std::ostrstream(deprecated)
<iomanip>	Helper functions to control the format or input and output
<streambuf>	std::basic_streambuf class template
<cstdio>	C-style input-output functions
Localization library
<locale>	Localization utilities
<clocale>	C localization utilities
<codecvt>(since C++11)	Unicode conversion facilities
Regular Expressions library
<regex>(since C++11)	Classes, algorithms and iterators to support regular expression processing
Atomic Operations library
<atomic>(since C++11)	Atomic operations library
Thread support library
<thread>(since C++11)	std::thread class andsupporting functions
<mutex>(since C++11)	mutual exclusion primitives
<future>(since C++11)	primitives for asynchronous computations
<condition_variable>(since C++11)	thread waiting conditions
C compatibility headers
<ciso646>	empty header. The macros that appear in iso646.h in C are keywords in C++
<ccomplex>	simply includes the header <complex>
<ctgmath>(since C++11)	simply includes the headers <ccomplex> and <cmath>: the overloads equivalent to the contents of the C headertgmath.h are already provided by <cmath> and <complex>
<cstdalign>(since C++11)	defines one compatibility macro constant
<cstdbool>(since C++11)	defines one compatibility macro constant
Deprecated headers
<assert.h> (deprecated)	behaves as if each name from <cassert> is placed in global namespace
<complex.h> (deprecated)	behaves as if each name from <ccomplex> is placed in global namespace
<ctype.h> (deprecated)	behaves as if each name from <cctype> is placed in global namespace
<errno.h> (deprecated)	behaves as if each name from <cerrno> is placed in global namespace
<fenv.h> (deprecated)	behaves as if each name from <cfenv> is placed in global namespace
<float.h> (deprecated)	behaves as if each name from <cfloat> is placed in global namespace
<inttypes.h> (deprecated)	behaves as if each name from <cinttypes> is placed in global namespace
<iso646.h> (deprecated)	behaves as if each name from <ciso646> is placed in global namespace
<limits.h> (deprecated)	behaves as if each name from <climits> is placed in global namespace
<locale.h> (deprecated)	behaves as if each name from <clocale> is placed in global namespace
<math.h> (deprecated)	behaves as if each name from <cmath> is placed in global namespace
<setjmp.h> (deprecated)	behaves as if each name from <csetjmp> is placed in global namespace
<signal.h> (deprecated)	behaves as if each name from <csignal> is placed in global namespace
<stdalign.h> (deprecated)	behaves as if each name from <cstdalign> is placed in global namespace
<stdarg.h> (deprecated)	behaves as if each name from <cstdarg> is placed in global namespace
<stdbool.h> (deprecated)	behaves as if each name from <cstdbool> is placed in global namespace
<stddef.h> (deprecated)	behaves as if each name from <cstddef> is placed in global namespace
<stdint.h> (deprecated)	behaves as if each name from <cstdint> is placed in global namespace
<stdio.h> (deprecated)	behaves as if each name from <cstdio> is placed in global namespace
<stdlib.h> (deprecated)	behaves as if each name from <cstdlib> is placed in global namespace
<string.h> (deprecated)	behaves as if each name from <cstring> is placed in global namespace
<tgmath.h> (deprecated)	behaves as if each name from <ctgmath> is placed in global namespace
<time.h> (deprecated)	behaves as if each name from <ctime> is placed in global namespace
<uchar.h> (deprecated)	behaves as if each name from <cuchar> is placed in global namespace
<wchar.h> (deprecated)	behaves as if each name from <cwchar> is placed in global namespace
<wctype.h> (deprecated)	behaves as if each name from <cwctype> is placed in global na