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      1 /* This testcase is part of GDB, the GNU debugger.
      2 
      3    Copyright 2021-2024 Free Software Foundation, Inc.
      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 by
      7    the Free Software Foundation; either version 3 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 <http://www.gnu.org/licenses/>.  */
     17 
     18 #include <stdlib.h>
     19 #include <stdio.h>
     20 
     21 volatile int vi = 0;
     22 
     23 void
     24 inc_vi ()
     25 {
     26   vi++;
     27 }
     28 
     29 void
     30 print_vi ()
     31 {
     32   printf ("vi=%d\n", vi);
     33 }
     34 
     35 void
     36 increment ()
     37 {
     38   inc_vi ();
     39 }
     40 
     41 int
     42 main (int argc, char **argv)
     43 {
     44   print_vi ();
     45   increment ();
     46   print_vi ();
     47   increment ();
     48   print_vi ();
     49   increment ();
     50   print_vi ();
     51 
     52   exit (0);
     53 }
     54