text: /*************************************************************************\
  *                  Copyright (C) Michael Kerrisk, 2018.                   *
  *                                                                         *
  * This program is free software. You may use, modify, and redistribute it *
  * under the terms of the GNU General Public License as published by the   *
  * Free Software Foundation, either version 3 or (at your option) any      *
  * later version. This program is distributed without any warranty.  See   *
  * the file COPYING.gpl-v3 for details.                                    *
  \*************************************************************************/
  
  /* foo3.c
  
  */
  #include <stdlib.h>
  #include <stdio.h>
  
  void abc(void);
  
  void
  xyz(void)
  {
      printf("        func3-xyz\n");
  }
  
  void
  func3(int x)
  {
      printf("Called func3\n");
      xyz();
      abc();
  }
  