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/* ISC license. */
#ifndef AVLNODE_INTERNAL_H
#define AVLNODE_INTERNAL_H
#include <skalibs/avlnode.h>
#define avlnode_ufroms(c) ((c) > 0)
#define avlnode_sfromu(h) ((h) ? 1 : -1)
extern unsigned int avlnode_rotate (avlnode_ref, unsigned int, unsigned int, int) ;
extern unsigned int avlnode_doublerotate (avlnode_ref, unsigned int, unsigned int, int) ;
#define avlnode_rotate_maydouble(s, max, r, h, isdouble) ((isdouble) ? avlnode_doublerotate(s, max, r, h) : avlnode_rotate(s, max, r, h))
#endif
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