FM / bits

/usr/include/c++/11/bits

Name	Size	Mode	Actions
algorithmfwd.h	24547	0644	edit dl rm
align.h	3711	0644	edit dl rm
allocated_ptr.h	3329	0644	edit dl rm
allocator.h	9737	0644	edit dl rm
alloc_traits.h	27632	0644	edit dl rm
atomic_base.h	57414	0644	edit dl rm
atomic_futex.h	12394	0644	edit dl rm
atomic_lockfree_defines.h	2353	0644	edit dl rm
atomic_timed_wait.h	13530	0644	edit dl rm
atomic_wait.h	12557	0644	edit dl rm
basic_ios.h	16080	0644	edit dl rm
basic_ios.tcc	6083	0644	edit dl rm
basic_string.h	251944	0644	edit dl rm
basic_string.tcc	54189	0644	edit dl rm
boost_concept_check.h	27182	0644	edit dl rm
c++0x_warning.h	1474	0644	edit dl rm
charconv.h	3435	0644	edit dl rm
char_traits.h	29350	0644	edit dl rm
codecvt.h	25500	0644	edit dl rm
concept_check.h	3423	0644	edit dl rm
cpp_type_traits.h	14003	0644	edit dl rm
cxxabi_forced.h	1811	0644	edit dl rm
cxxabi_init_exception.h	2220	0644	edit dl rm
deque.tcc	42361	0644	edit dl rm
enable_special_members.h	12452	0644	edit dl rm
erase_if.h	2066	0644	edit dl rm
exception.h	2504	0644	edit dl rm
exception_defines.h	1645	0644	edit dl rm
exception_ptr.h	7640	0644	edit dl rm
forward_list.h	50387	0644	edit dl rm
forward_list.tcc	14035	0644	edit dl rm
fstream.tcc	33672	0644	edit dl rm
fs_dir.h	16409	0644	edit dl rm
fs_fwd.h	10771	0644	edit dl rm
fs_ops.h	10739	0644	edit dl rm
fs_path.h	39745	0644	edit dl rm
functexcept.h	3509	0644	edit dl rm
functional_hash.h	8591	0644	edit dl rm
gslice.h	5519	0644	edit dl rm
gslice_array.h	7892	0644	edit dl rm
hashtable.h	84951	0644	edit dl rm
hashtable_policy.h	62156	0644	edit dl rm
hash_bytes.h	2146	0644	edit dl rm
indirect_array.h	7902	0644	edit dl rm
invoke.h	6059	0644	edit dl rm
ios_base.h	31934	0644	edit dl rm
istream.tcc	31595	0644	edit dl rm
iterator_concepts.h	33335	0644	edit dl rm
list.tcc	17201	0644	edit dl rm
localefwd.h	5943	0644	edit dl rm
locale_classes.h	25044	0644	edit dl rm
locale_classes.tcc	8375	0644	edit dl rm
locale_conv.h	18822	0644	edit dl rm
locale_facets.h	93655	0644	edit dl rm
locale_facets.tcc	40463	0644	edit dl rm
locale_facets_nonio.h	69704	0644	edit dl rm
locale_facets_nonio.tcc	47533	0644	edit dl rm
mask_array.h	7716	0644	edit dl rm
max_size_type.h	22715	0644	edit dl rm
memoryfwd.h	2504	0644	edit dl rm
move.h	6798	0644	edit dl rm
nested_exception.h	4887	0644	edit dl rm
node_handle.h	10920	0644	edit dl rm
ostream.tcc	12315	0644	edit dl rm
ostream_insert.h	4038	0644	edit dl rm
parse_numbers.h	7980	0644	edit dl rm
postypes.h	8465	0644	edit dl rm
predefined_ops.h	10177	0644	edit dl rm
ptr_traits.h	6708	0644	edit dl rm
quoted_string.h	5053	0644	edit dl rm
random.h	178359	0644	edit dl rm
random.tcc	105688	0644	edit dl rm
ranges_algo.h	116831	0644	edit dl rm
ranges_algobase.h	18871	0644	edit dl rm
ranges_base.h	24392	0644	edit dl rm
ranges_cmp.h	6017	0644	edit dl rm
ranges_uninitialized.h	18130	0644	edit dl rm
ranges_util.h	20591	0644	edit dl rm
range_access.h	10707	0644	edit dl rm
refwrap.h	13208	0644	edit dl rm
regex.h	103969	0644	edit dl rm
regex.tcc	16492	0644	edit dl rm
regex_automaton.h	10788	0644	edit dl rm
regex_automaton.tcc	7722	0644	edit dl rm
regex_compiler.h	16219	0644	edit dl rm
regex_compiler.tcc	19158	0644	edit dl rm
regex_constants.h	15549	0644	edit dl rm
regex_error.h	5015	0644	edit dl rm
regex_executor.h	8852	0644	edit dl rm
regex_executor.tcc	18837	0644	edit dl rm
regex_scanner.h	7047	0644	edit dl rm
regex_scanner.tcc	15249	0644	edit dl rm
semaphore_base.h	7936	0644	edit dl rm
shared_ptr.h	30981	0644	edit dl rm
shared_ptr_atomic.h	9874	0644	edit dl rm
shared_ptr_base.h	54907	0644	edit dl rm
slice_array.h	9619	0644	edit dl rm
specfun.h	47240	0644	edit dl rm
sstream.tcc	10148	0644	edit dl rm
std_abs.h	3384	0644	edit dl rm
std_function.h	22863	0644	edit dl rm
std_mutex.h	6443	0644	edit dl rm
std_thread.h	8589	0644	edit dl rm
stl_algo.h	214703	0644	edit dl rm
stl_algobase.h	76254	0644	edit dl rm
stl_bvector.h	35574	0644	edit dl rm
stl_construct.h	8800	0644	edit dl rm
stl_deque.h	76970	0644	edit dl rm
stl_function.h	43897	0644	edit dl rm
stl_heap.h	20756	0644	edit dl rm
stl_iterator.h	78851	0644	edit dl rm
stl_iterator_base_funcs.h	8178	0644	edit dl rm
stl_iterator_base_types.h	9662	0644	edit dl rm
stl_list.h	69779	0644	edit dl rm
stl_map.h	54693	0644	edit dl rm
stl_multimap.h	43534	0644	edit dl rm
stl_multiset.h	37675	0644	edit dl rm
stl_numeric.h	14601	0644	edit dl rm
stl_pair.h	20135	0644	edit dl rm
stl_queue.h	25036	0644	edit dl rm
stl_raw_storage_iter.h	3830	0644	edit dl rm
stl_relops.h	4594	0644	edit dl rm
stl_set.h	37939	0644	edit dl rm
stl_stack.h	12684	0644	edit dl rm
stl_tempbuf.h	8655	0644	edit dl rm
stl_tree.h	73922	0644	edit dl rm
stl_uninitialized.h	34013	0644	edit dl rm
stl_vector.h	65919	0644	edit dl rm
streambuf.tcc	4929	0644	edit dl rm
streambuf_iterator.h	15532	0644	edit dl rm
stream_iterator.h	7697	0644	edit dl rm
stringfwd.h	2690	0644	edit dl rm
string_view.tcc	7167	0644	edit dl rm
this_thread_sleep.h	3307	0644	edit dl rm
uniform_int_dist.h	13052	0644	edit dl rm
unique_lock.h	6143	0644	edit dl rm
unique_ptr.h	32537	0644	edit dl rm
unordered_map.h	76669	0644	edit dl rm
unordered_set.h	62934	0644	edit dl rm
uses_allocator.h	6906	0644	edit dl rm
uses_allocator_args.h	7562	0644	edit dl rm
valarray_after.h	23283	0644	edit dl rm
valarray_array.h	21295	0644	edit dl rm
valarray_array.tcc	7254	0644	edit dl rm
valarray_before.h	19142	0644	edit dl rm
vector.tcc	30985	0644	edit dl rm

Edit: /usr/include/c++/11/bits/regex_error.h (5015B)

// class template regex -*- C++ -*-

// Copyright (C) 2010-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/**
 * @file bits/regex_error.h
 * @brief Error and exception objects for the std regex library.
 *
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{regex}
 */

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

/**
 * @addtogroup regex
 * @{
 */

namespace regex_constants
{
  /**
   * @name 5.3 Error Types
   */
  ///@{

enum error_type
    {
      _S_error_collate,
      _S_error_ctype,
      _S_error_escape,
      _S_error_backref,
      _S_error_brack,
      _S_error_paren,
      _S_error_brace,
      _S_error_badbrace,
      _S_error_range,
      _S_error_space,
      _S_error_badrepeat,
      _S_error_complexity,
      _S_error_stack,
      _S_null,
      _S_grammar
    };

/** The expression contained an invalid collating element name. */
  constexpr error_type error_collate(_S_error_collate);

/** The expression contained an invalid character class name. */
  constexpr error_type error_ctype(_S_error_ctype);

/**
   * The expression contained an invalid escaped character, or a trailing
   * escape.
   */
  constexpr error_type error_escape(_S_error_escape);

/** The expression contained an invalid back reference. */
  constexpr error_type error_backref(_S_error_backref);

/** The expression contained mismatched [ and ]. */
  constexpr error_type error_brack(_S_error_brack);

/** The expression contained mismatched ( and ). */
  constexpr error_type error_paren(_S_error_paren);

/** The expression contained mismatched { and } */
  constexpr error_type error_brace(_S_error_brace);

/** The expression contained an invalid range in a {} expression. */
  constexpr error_type error_badbrace(_S_error_badbrace);

/**
   * The expression contained an invalid character range,
   * such as [b-a] in most encodings.
   */
  constexpr error_type error_range(_S_error_range);

/**
   * There was insufficient memory to convert the expression into a
   * finite state machine.
   */
  constexpr error_type error_space(_S_error_space);

/**
   * One of <em>*?+{</em> was not preceded by a valid regular expression.
   */
  constexpr error_type error_badrepeat(_S_error_badrepeat);

/**
   * The complexity of an attempted match against a regular expression
   * exceeded a pre-set level.
   */
  constexpr error_type error_complexity(_S_error_complexity);

/**
   * There was insufficient memory to determine whether the
   * regular expression could match the specified character sequence.
   */
  constexpr error_type error_stack(_S_error_stack);

///@}
} // namespace regex_constants

// [7.8] Class regex_error
  /**
   * @brief A regular expression exception class.
   * @ingroup exceptions
   *
   * The regular expression library throws objects of this class on error.
   */
  class regex_error : public std::runtime_error
  {
    regex_constants::error_type _M_code;

public:
    /**
     * @brief Constructs a regex_error object.
     *
     * @param __ecode the regex error code.
     */
    explicit
    regex_error(regex_constants::error_type __ecode);

virtual ~regex_error() throw();

/**
     * @brief Gets the regex error code.
     *
     * @returns the regex error code.
     */
    regex_constants::error_type
    code() const noexcept
    { return _M_code; }

private:
    regex_error(regex_constants::error_type __ecode, const char* __what)
    : std::runtime_error(__what), _M_code(__ecode)
    { }

friend void __throw_regex_error(regex_constants::error_type, const char*);
  };

///@} // group regex

void
  __throw_regex_error(regex_constants::error_type __ecode);

inline void
  __throw_regex_error(regex_constants::error_type __ecode
			__attribute__((__unused__)),
		      const char* __what __attribute__((__unused__)))
  { _GLIBCXX_THROW_OR_ABORT(regex_error(__ecode, __what)); }

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

cmd: