#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
  // calloc zeroes the allocated memory.
  // It has slightly different syntax than malloc.
  // Here we allocate an array of 10 ints.
  int *ptr = (int*)calloc( 10, sizeof(int) );
  printf("ptr[4] = %d\n", ptr[4]);

  typedef struct {
    int   length;
    char  buffer[20];
  } ExampleStruct;

  ExampleStruct *sptr = calloc( 10, sizeof(ExampleStruct) );
  printf("The buffer in element 2 has string '%s'\n", sptr[2].buffer);

  // NOTE THE MEMORY LEAKS HERE...

  return 0;
}