demo.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "queue.h"
   4 #include "stack.h"
   5
   6 int main() {
   7         Stack* stack = stack_init();
   8         if (stack_empty(stack))
   9                 printf("Stack is empty\n");
  10
  11         int* i = malloc(sizeof(int*));
  12         *i = 10;
  13         stack_push(stack, i);
  14         int* j = malloc(sizeof(int*));
  15         *j = 5;
  16         stack_push(stack, j);
  17         int* val = stack_pop(stack);
  18         printf("Stack back: %i\n", *val);
  19         free(val);
  20         void** elems = stack_clear(&stack);
  21         for (int i = 0; elems[i]; i++)
  22                 free(elems[i]);
  23         free(elems);
  24
  25         return 0;
  26 }
  27