/**

local-variable-scope.c - local variable and global variable explained 
   
Copyright (C) 2023-2024 Mert Gör and contributors

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

Feel free to send an email to mertgor@masscollabs.xyz for your questions

 **/

#include <stdio.h>

int main() {
  int a;

  {
    int b;

    b = 20;
    a = 10;
    printf("a = %d, b = %d\n", a, b); /* correct */
  }

  printf("a = %d\n", a); /* correct */
  printf("b = %d\n", b); /* wrong */

  return 0;
}