recursive functions

recursion.c

int GetNodeHeight ( bstNode *node ) {
	int height_left = 0;
	int height_right = 0;

	if( node->left ) height_left = GetNodeHeight ( node->left );
	if( node->right ) height_right = GetNodeHeight ( node->right );

	return height_right > height_left ? ++height_right : ++height_left;
}