6.3/tree.h


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#ifndef TREE_H

struct tnode {
	char *word;
	struct linklist *lines;
	struct tnode *left;
	struct tnode *right;
};

struct linklist {
	int linenum;
	struct linklist *ptr;
};

#define TREE_H
#endif

struct tnode *addtree(struct tnode *p, char *w, int linenum);
void tprint(struct tnode *p);
void tfree(struct tnode *p);