test.c

#include <stdio.h>


typedef struct Tree {
	int value;
	struct Tree* left;
	struct Tree* right;
} Tree;


void print_elem(Tree* root) {
	if (root) {
		printf("Value: %d\n", root->value);
		print_elem(root->left);
		print_elem(root->right);
	}
}

int main() {
	Tree l1 = {1};
	Tree l2 = {6};
	Tree left = {3, &l1, &l2};
	Tree l3 = {9};
	Tree l4 = {14};
	Tree right = {10, &l3, &l4};
	Tree root = {8, &left, &right};


	print_elem(&root);

	return 0;
}