#include <stdio.h>
/* example code for CSE451 section 1 lecture. Use -g while compiling to use GDB with this and then use this to get an understanding of GDB 
 * written by Kurtis Heimerl */

void subRoutine (){

  //i return nothing, do nothing but loop for examples sake, use to demonstrate breakpoints

  int i = 4;
  while (i > 0){
    i--;
  }
}


int recursiveThing(int i){ //recursive method, use to demonstrate stack
  if (i > 0){
    return recursiveThing(i-1);
  }
  else {
    return 0;
  }
}

int func (int i, char c){ //throwaway function used for the function pointer example
  return 22;
}

void funcPoint(int (*pt2Func) (int, char)){ //function pointer example. It takes a function!
  int answer = (*pt2Func)(12, 'C');
  printf("Answer is %i\n", answer);
}

int main ( int argc, char** argv) { //leh duh
  printf("Before call\n");
  subRoutine();
  printf("middle call\n");
  recursiveThing(4);
  printf("function pointer time\n");
  funcPoint(func);
  printf("working?\n");
}