typedef struct Hash Hash;
typedef struct HashItem HashItem;

struct Hash
{
	QLock;
	u32int sz;
	u32int nitems;
	HashItem **items;
};

struct HashItem
{
	ulong		crc;
	char		key[128];
	HashItem	*next;
};

void	inithash(void);
Hash*	newhash(void);
void	freehash(Hash*);
int		lenhash(Hash*);
void	puthash(Hash*, char*, HashItem*);
void*	gethash(Hash*, char*);
void*	delhash(Hash*, char*);
void	forhash(Hash*, void(*)(void*));