The C and C++ Include Header Files

/usr/include/c++/11/stdlib.h


$ cat -n /usr/include/c++/11/stdlib.h

     1	// -*- C++ -*- compatibility header.
     2	
     3	// Copyright (C) 2002-2021 Free Software Foundation, Inc.
     4	//
     5	// This file is part of the GNU ISO C++ Library.  This library is free
     6	// software; you can redistribute it and/or modify it under the
     7	// terms of the GNU General Public License as published by the
     8	// Free Software Foundation; either version 3, or (at your option)
     9	// any later version.
    10	
    11	// This library is distributed in the hope that it will be useful,
    12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
    13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14	// GNU General Public License for more details.
    15	
    16	// Under Section 7 of GPL version 3, you are granted additional
    17	// permissions described in the GCC Runtime Library Exception, version
    18	// 3.1, as published by the Free Software Foundation.
    19	
    20	// You should have received a copy of the GNU General Public License and
    21	// a copy of the GCC Runtime Library Exception along with this program;
    22	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    23	// <http://www.gnu.org/licenses/>.
    24	
    25	/** @file stdlib.h
    26	 *  This is a Standard C++ Library header.
    27	 */
    28	
    29	#if !defined __cplusplus || defined _GLIBCXX_INCLUDE_NEXT_C_HEADERS
    30	# include_next <stdlib.h>
    31	#else
    32	
    33	#ifndef _GLIBCXX_STDLIB_H
    34	#define _GLIBCXX_STDLIB_H 1
    35	
    36	# include <cstdlib>
    37	
    38	using std::abort;
    39	using std::atexit;
    40	using std::exit;
    41	#if __cplusplus >= 201103L
    42	# ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
    43	  using std::at_quick_exit;
    44	# endif
    45	# ifdef _GLIBCXX_HAVE_QUICK_EXIT
    46	  using std::quick_exit;
    47	# endif
    48	#endif
    49	
    50	#if _GLIBCXX_HOSTED
    51	using std::div_t;
    52	using std::ldiv_t;
    53	
    54	using std::abs;
    55	using std::atof;
    56	using std::atoi;
    57	using std::atol;
    58	using std::bsearch;
    59	using std::calloc;
    60	using std::div;
    61	using std::free;
    62	using std::getenv;
    63	using std::labs;
    64	using std::ldiv;
    65	using std::malloc;
    66	#ifdef _GLIBCXX_HAVE_MBSTATE_T
    67	using std::mblen;
    68	using std::mbstowcs;
    69	using std::mbtowc;
    70	#endif // _GLIBCXX_HAVE_MBSTATE_T
    71	using std::qsort;
    72	using std::rand;
    73	using std::realloc;
    74	using std::srand;
    75	using std::strtod;
    76	using std::strtol;
    77	using std::strtoul;
    78	using std::system;
    79	#ifdef _GLIBCXX_USE_WCHAR_T
    80	using std::wcstombs;
    81	using std::wctomb;
    82	#endif // _GLIBCXX_USE_WCHAR_T
    83	#endif
    84	
    85	#endif // _GLIBCXX_STDLIB_H
    86	#endif // __cplusplus