git: 9front

ref: 3a40e5a8d57c2e8beac9182bda8f3d04c172ed1c
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*);