175     char guard[sizeof(size_t)];  member
176 } Guard;  typedef
184     Guard* guard;  in unity_malloc()  local
195     guard = (Guard*)malloc(size + sizeof(Guard) + 4);  in unity_malloc()
196     guard->size = size;  in unity_malloc()
197     mem = (char*)&(guard[1]);  in unity_malloc()
205     Guard* guard = (Guard*)mem;  in isOverrun()  local
207     guard--;  in isOverrun()
209     return strcmp(&memAsChar[guard->size], end) != 0;  in isOverrun()
214     Guard* guard = (Guard*)mem;  in release_memory()  local
215     guard--;  in release_memory()
218     free(guard);  in release_memory()
223     int overrun = isOverrun(mem);//strcmp(&memAsChar[guard->size], end) != 0;  in unity_free()
240     Guard* guard = (Guard*)oldMem;  in unity_realloc()  local
247     guard--;  in unity_realloc()
260     if (guard->size >= size)  in unity_realloc()
264     memcpy(newMem, oldMem, guard->size);  in unity_realloc()