C ++ header file Overview

C. Traditional C ++

 

# Include <assert. h> // set the insertion point
# Include <ctype. h> // Character Processing
# Include <errno. h> // defines error codes.
# Include <float. h> // floating point number processing
# Include <fstream. h> // file input/output
# Include <iomanip. h> // parameterized input/output
# Include <iostream. h> // Data Stream Input/Output
# Include <limits. h> // defines the maximum constants of various data types.
# Include <locale. h> // defines the localization function
# Include <math. h> // defines mathematical functions.
# Include <stdio. h> // define Input/Output Functions
# Include <stdlib. h> // defines miscellaneous functions and memory allocation functions.
# Include <string. h> // string processing
# Include <strstrea. h> // array-based input/output
# Include <time. h> // defines the time function.
# Include <wchar. h> // wide character processing and input/output
# Include <wctype. h> // wide character Classification

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Standard C ++ (same as above)

# Include <algorithm> // General STLAlgorithm
# Include <bitset> // STL bit set container
# Include <cctype>
# Include <cerrno>
# Include <clocale>
# Include <cmath>
# Include <complex> // plural class
# Include <cstdio>
# Include <cstdlib>
# Include <cstring>
# Include <ctime>
# Include <deque> // STL double-end queue container
# Include <exception> // exception handling class
# Include <fstream>
# Include <functional> // STL defines operation functions (instead of operators)
# Include <limits>
# Include <list> // STL linear list container
# Include <map> // STL ing container
# Include <iomanip>
# Include <IOS> // Basic Input/Output support
# Include <iosfwd> // pre-declaration used by the input/output system
# Include <iostream>
# Include <istream> // basic input stream
# Include <ostream> // Basic output stream
# Include <queue> // STL queue container
# Include <set> // STL collection container
# Include <sstream> // string-based stream
# Include <stack> // STL stack container
# Include <stdexcept> // standard exception class
# Include <streambuf> // underlying input/output support
# Include <string> // string class
# Include <utility> // STL common template class
# Include <vector> // STL dynamic array container
# Include <cwchar>
# Include <cwctype>

Using namespace STD;

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C99 added

# Include <complex. h> // plural Processing
# Include <fenv. h> // floating point Environment
# Include <inttypes. h> // integer format conversion
# Include <stdbool. h> // Boolean Environment
# Include <stdint. h> // integer environment
# Include <tgmath. h> // general mathematical macros