int dynarray_init(struct dynamic_array *da, size_t entry_size, size_t grow_size);
struct dynamic_array *dynarray_new(size_t entry_size, size_t grow_size);
void *dynarray_add(struct dynamic_array *da, void *item);
int dynarray_init(struct dynamic_array *da, size_t entry_size, size_t grow_size);
struct dynamic_array *dynarray_new(size_t entry_size, size_t grow_size);
void *dynarray_add(struct dynamic_array *da, void *item);