git: 9front

ref: 872c486c953669919b6f37d0fe21657dbd3a46b5
dir: /sys/include/avl.h/

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#pragma lib "libavl.a"
#pragma src "/sys/src/libavl"

typedef struct Avl Avl;
typedef struct Avltree Avltree;

struct Avl {
	Avl *c[2];
	Avl *p;
	schar balance;
};

struct Avltree {
	int (*cmp)(Avl*, Avl*);
	Avl *root;
};

Avltree *avlcreate(int(*cmp)(Avl*, Avl*));
Avl *avllookup(Avltree*, Avl*);
Avl *avldelete(Avltree*, Avl*);
Avl *avlinsert(Avltree*, Avl*);
Avl *avlnext(Avl*);
Avl *avlprev(Avl*);