#ifndef TREE_H #define TREE_H #include #define CHILD_LEFT 0 #define CHILD_RIGHT 1 typedef struct node_struct{ struct node_struct *p; struct node_struct *children[2]; unsigned int index; bool black; char *value; } node_t; typedef struct { node_t *root; } tree_t; void tree_print(tree_t *tree); node_t *tree_insert(tree_t *tree, unsigned int index, char *val); node_t *tree_insert_pleb(tree_t *tree, unsigned int index, char *val); void node_rotate(tree_t *tree, node_t *x, int dir); char *tree_search(tree_t *tree, unsigned int index); #endif