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vim stash.h
#ifndef STASH_H
#define STASH_H
typedef struct STASHTag {
  int size;  /* Size of each space */
  int quantity; /* Number of storage spaces */
  int next; /* Next empty space */
  /* Dynamically allocated array of bytes: */
  unsigned char* storage;
} Stash;
void initialize(Stash* S, int Size);
void cleanup(Stash* S);
int add(Stash* S, void* element);
void* fetch(Stash* S, int index);
int count(Stash* S);
void inflate(Stash* S, int increase);
#endif //STASH_H
vim stash.c
/* Error testing macros: */
#include <assert.h>
/* Dynamic memory allocation functions: */
#include <stdlib.h>
#include <string.h> /* memcpy() */
#include <stdio.h>
#include "stash.h"
#define STEP 10
void initialize(Stash* S, int Size) {
  S->size = Size;
  S->quantity = 0;
  S->storage = 0;
  S->next = 0;
}
void cleanup(Stash* S) {
  if(S->storage) {
     puts("freeing storage");
     free(S->storage);
  }
}
int add(Stash* S, void* element) {
  /* enough space left? */
  if(S->next >= S->quantity)
    inflate(S, STEP);
  /* Copy element into storage,
  starting at next empty space: */
  memcpy(&(S->storage[S->next * S->size]),
      element, S->size);
  S->next++;
  return(S->next - 1); /* Index number */
}
void* fetch(Stash* S, int index) {
  if(index >= S->next || index < 0)
    return 0;  /* Not out of bounds? */
  /* Produce pointer to desired element: */
 // return &(S->storage[index * S->size]);
  return (S->storage+index*S->size);
}
int count(Stash* S) {
  /* Number of elements in stash */
  return S->next;
}
void inflate(Stash* S, int increase) {
  void* v =
    realloc


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