int main(int argc, char const *argv[]) {
node * head=createnodes(10);
printf("原链表\n");
printnodes(head);
insertnode(head,4,100);
printf("插入2后链表\n");
printnodes(head);
deletenode(head,2);
printf("删除1后链表\n");
printnodes(head);
//反序输出
printnodesf(head);
freenodes(head);
return 0;
}
void main()
{
node *head;
int i, data;
head=createnode();//head has no real data
for(i=0; i<20; i++)
{
data = rand() % 100;
addnode(head, data);
}
printnodes(head);
revert(head);
printnodes(head);
deletenode(head);
head = NULL;
return;
}
void printnodes(BTREE *tree, bnode *node)
{
int x,y=0;
printf("(%ld):", node->start );
for (x = 0; x< node->n; x++)
printf("%ld ", node->key[x]);
if (node->isleaf)
return;
for (y=0;y < node->n+1; y++){
printf("\n");
printnodes(tree, getnode(tree, node->children[y]));
}
}
int main(int argc, char **argv)
{
BTREE *tree = openbtree(argv[1],NULL);
if (tree == NULL){
printf("Error: %s\n", serror[getlasterror()] );
return 0;
}
switch (argv[2][0])
{
case 'f':
if (format_btree_file(tree) == -1){
printf("Error: %s\n", serror[getlasterror()] );
return 0;
}
printf("%s\n", "Format was done.");
return 0;
case '1':
if (initialize(tree) == -1)
{
printf("Error: %s\n", serror[getlasterror()] );
perror("BTREE ERROR");
return 0;
}
printf("File Initialized\n");
insert_into_btree(tree,17);
printf("----------------\n");
insert_into_btree(tree,5);
printf("----------------\n");
insert_into_btree(tree,18);
printf("----------------\n");
insert_into_btree(tree,3);
printf("----------------\n");
break;
case '2':
if (initialize(tree) == -1)
{
printf("Error: %s\n", serror[getlasterror()] );
perror("BTREE ERROR");
return 0;
}
printf("File Initialized\n");
if (insert_into_btree(tree,20) == -1)
printf("Insertion failed----\n");
break;
case 'r':
if (initialize(tree) == -1)
{
printf("Error: %s\n", serror[getlasterror()] );
perror("BTREE ERROR");
return 0;
}
printf("File Initialized\n");
printf("root:");
printnodes(tree, tree->root);
break;
};
close_btree(tree);
/*Errors*/
printf("\n");
int i;
for (i=0;i<=eindex;i++)
printf("%s\n", serror[i]);
perror("System error:");
return 0;
}