1  /* Memory related definitions for program modules.
       2     Copyright (C) 1998-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     This program is free software; you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published
       7     by the Free Software Foundation; version 2 of the License, or
       8     (at your option) any later version.
       9  
      10     This program 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
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program; if not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  #ifndef _XMALLOC_H
      19  #define _XMALLOC_H	1
      20  
      21  #include <sys/cdefs.h>
      22  #include <stddef.h>
      23  
      24  /* Prototypes for a few program-wide used functions.  */
      25  extern void *xmalloc (size_t n)
      26    __attribute_malloc__ __attribute_alloc_size__ ((1)) __attr_dealloc_free
      27    __returns_nonnull;
      28  extern void *xcalloc (size_t n, size_t s)
      29    __attribute_malloc__ __attribute_alloc_size__ ((1, 2)) __attr_dealloc_free
      30    __returns_nonnull;
      31  extern void *xrealloc (void *o, size_t n)
      32    __attribute_malloc__ __attribute_alloc_size__ ((2)) __attr_dealloc_free;
      33  extern char *xstrdup (const char *) __attribute_malloc__ __attr_dealloc_free
      34    __returns_nonnull;
      35  
      36  #endif /* xmalloc.h */