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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/bits/strings_fortified.h


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

     1	/* Fortify macros for strings.h functions.
     2	   Copyright (C) 2017-2024 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 __STRINGS_FORTIFIED
    20	# define __STRINGS_FORTIFIED 1
    21	
    22	__fortify_function void
    23	__NTH (bcopy (const void *__src, void *__dest, size_t __len))
    24	{
    25	  (void) __builtin___memmove_chk (__dest, __src, __len,
    26					  __glibc_objsize0 (__dest));
    27	}
    28	
    29	__fortify_function void
    30	__NTH (bzero (void *__dest, size_t __len))
    31	{
    32	  (void) __builtin___memset_chk (__dest, '\0', __len,
    33					 __glibc_objsize0 (__dest));
    34	}
    35	
    36	#endif