1  /* Copyright (C) 1991, 1997-1998, 2008-2022 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     This file is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU Lesser General Public License as
       6     published by the Free Software Foundation, either version 3 of the
       7     License, or (at your option) any later version.
       8  
       9     This file is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #if !_LIBC
      18  # include <config.h>
      19  #endif
      20  
      21  /* Specification.  */
      22  #include <stdlib.h>
      23  
      24  #if _LIBC
      25  # undef atoll
      26  #endif
      27  
      28  
      29  /* Convert a string to a long long int.  */
      30  long long int
      31  atoll (const char *nptr)
      32  {
      33    return strtoll (nptr, (char **) NULL, 10);
      34  }