text: /* A C macro for declaring that specific arguments must not be NULL.
     Copyright (C) 2009-2018 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify it
     under the terms of the GNU Lesser General Public License as published
     by the Free Software Foundation; either version 2.1 of the License, or
     (at your option) any later version.
  
     This program 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
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
     that the values passed as arguments n, ..., m must be non-NULL pointers.
     n = 1 stands for the first argument, n = 2 for the second argument etc.  */
  #ifndef _GL_ARG_NONNULL
  # if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
  #  define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
  # else
  #  define _GL_ARG_NONNULL(params)
  # endif
  #endif
  