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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/bits/wchar-ldbl.h


$ cat -n /usr/include/x86_64-linux-gnu/bits/wchar-ldbl.h

     1	/* -mlong-double-64 compatibility mode for <wchar.h> functions.
     2	   Copyright (C) 2006-2024 Free Software Foundation, Inc.
     3	   This file is part of the GNU C Library.
     4	
     5	   The GNU C Library is free software; you can redistribute it and/or
     6	   modify it under the terms of the GNU Lesser General Public
     7	   License as published by the Free Software Foundation; either
     8	   version 2.1 of the License, or (at your option) any later version.
     9	
    10	   The GNU C Library is distributed in the hope that it will be useful,
    11	   but WITHOUT ANY WARRANTY; without even the implied warranty of
    12	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13	   Lesser General Public License for more details.
    14	
    15	   You should have received a copy of the GNU Lesser General Public
    16	   License along with the GNU C Library; if not, see
    17	   <https://www.gnu.org/licenses/>.  */
    18	
    19	#ifndef _WCHAR_H
    20	# error "Never include <bits/wchar-ldbl.h> directly; use <wchar.h> instead."
    21	#endif
    22	
    23	#if defined __USE_ISOC95 || defined __USE_UNIX98
    24	__LDBL_REDIR_DECL (fwprintf);
    25	__LDBL_REDIR_DECL (wprintf);
    26	__LDBL_REDIR_DECL (swprintf);
    27	__LDBL_REDIR_DECL (vfwprintf);
    28	__LDBL_REDIR_DECL (vwprintf);
    29	__LDBL_REDIR_DECL (vswprintf);
    30	# if !__GLIBC_USE (DEPRECATED_SCANF)
    31	#  if defined __LDBL_COMPAT
    32	#   if __GLIBC_USE (C2X_STRTOL)
    33	__LDBL_REDIR1_DECL (fwscanf, __nldbl___isoc23_fwscanf)
    34	__LDBL_REDIR1_DECL (wscanf, __nldbl___isoc23_wscanf)
    35	__LDBL_REDIR1_DECL (swscanf, __nldbl___isoc23_swscanf)
    36	#   else
    37	__LDBL_REDIR1_DECL (fwscanf, __nldbl___isoc99_fwscanf)
    38	__LDBL_REDIR1_DECL (wscanf, __nldbl___isoc99_wscanf)
    39	__LDBL_REDIR1_DECL (swscanf, __nldbl___isoc99_swscanf)
    40	#   endif
    41	#  elif __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
    42	#   if __GLIBC_USE (C2X_STRTOL)
    43	__LDBL_REDIR1_DECL (fwscanf, __isoc23_fwscanfieee128)
    44	__LDBL_REDIR1_DECL (wscanf, __isoc23_wscanfieee128)
    45	__LDBL_REDIR1_DECL (swscanf, __isoc23_swscanfieee128)
    46	#   else
    47	__LDBL_REDIR1_DECL (fwscanf, __isoc99_fwscanfieee128)
    48	__LDBL_REDIR1_DECL (wscanf, __isoc99_wscanfieee128)
    49	__LDBL_REDIR1_DECL (swscanf, __isoc99_swscanfieee128)
    50	#   endif
    51	#  else
    52	#   error bits/stdlib-ldbl.h included when no ldbl redirections are required.
    53	#  endif
    54	# else
    55	__LDBL_REDIR_DECL (fwscanf);
    56	__LDBL_REDIR_DECL (wscanf);
    57	__LDBL_REDIR_DECL (swscanf);
    58	# endif
    59	#endif
    60	
    61	#ifdef __USE_ISOC99
    62	# ifdef __LDBL_COMPAT
    63	__LDBL_REDIR1_DECL (wcstold, wcstod);
    64	# else
    65	__LDBL_REDIR1_DECL (wcstold, __wcstoieee128)
    66	# endif
    67	# if !__GLIBC_USE (DEPRECATED_SCANF)
    68	#  if defined __LDBL_COMPAT
    69	#   if __GLIBC_USE (C2X_STRTOL)
    70	__LDBL_REDIR1_DECL (vfwscanf, __nldbl___isoc23_vfwscanf)
    71	__LDBL_REDIR1_DECL (vwscanf, __nldbl___isoc23_vwscanf)
    72	__LDBL_REDIR1_DECL (vswscanf, __nldbl___isoc23_vswscanf)
    73	#   else
    74	__LDBL_REDIR1_DECL (vfwscanf, __nldbl___isoc99_vfwscanf)
    75	__LDBL_REDIR1_DECL (vwscanf, __nldbl___isoc99_vwscanf)
    76	__LDBL_REDIR1_DECL (vswscanf, __nldbl___isoc99_vswscanf)
    77	#   endif
    78	#  elif __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
    79	#   if __GLIBC_USE (C2X_STRTOL)
    80	__LDBL_REDIR1_DECL (vfwscanf, __isoc23_vfwscanfieee128)
    81	__LDBL_REDIR1_DECL (vwscanf, __isoc23_vwscanfieee128)
    82	__LDBL_REDIR1_DECL (vswscanf, __isoc23_vswscanfieee128)
    83	#   else
    84	__LDBL_REDIR1_DECL (vfwscanf, __isoc99_vfwscanfieee128)
    85	__LDBL_REDIR1_DECL (vwscanf, __isoc99_vwscanfieee128)
    86	__LDBL_REDIR1_DECL (vswscanf, __isoc99_vswscanfieee128)
    87	#   endif
    88	#  else
    89	#   error bits/stdlib-ldbl.h included when no ldbl redirections are required.
    90	#  endif
    91	# else
    92	__LDBL_REDIR_DECL (vfwscanf);
    93	__LDBL_REDIR_DECL (vwscanf);
    94	__LDBL_REDIR_DECL (vswscanf);
    95	# endif
    96	#endif
    97	
    98	#ifdef __USE_GNU
    99	# ifdef __LDBL_COMPAT
   100	__LDBL_REDIR1_DECL (wcstold_l, wcstod_l);
   101	# else
   102	__LDBL_REDIR1_DECL (wcstold_l, __wcstoieee128_l)
   103	# endif
   104	#endif
   105	
   106	#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
   107	__LDBL_REDIR2_DECL (swprintf_chk)
   108	__LDBL_REDIR2_DECL (vswprintf_chk)
   109	# if __USE_FORTIFY_LEVEL > 1
   110	__LDBL_REDIR2_DECL (fwprintf_chk)
   111	__LDBL_REDIR2_DECL (wprintf_chk)
   112	__LDBL_REDIR2_DECL (vfwprintf_chk)
   113	__LDBL_REDIR2_DECL (vwprintf_chk)
   114	# endif
   115	#endif