A node of a BST

node.c

#include <stdio.h>

typedef struct node_t node_t;
struct node_t {
    int data;
    node_t* left;
    node_t* right;
};

int
main(void) {
    node_t root;
    node_t left;
    node_t left_left;
    node_t left_right;
    node_t right;

    root.data       = 10;
    left.data       = 11;
    left_left.data  = 124;
    left_right.data = 89;
    right.data      = 19;

    root.right = &right;
    root.left  = &left;
    left.left  = &left_left;
    left.right = &left_right;

    printf("   %d\n"
           "    |\n"
           "   / \\\n"
           "  %d  %d\n"
           "   |\n"
           "  / \\\n"
           "%d  %d\n",
           root.data,
           root.left->data,
           root.right->data,
           root.left->left->data,
           root.left->right->data);
    return 0;
}

// vim:filetype=c