C-program to make a copy of a tree

7.Write a C program to create
a copy of a tree

Solution:

#include<stdio.h>
struct binarysearchtree{
      int data;
      struct binarysearchtree* left;
      struct binarysearchtree* right;
};
typedef struct binarysearchtree* tree;

tree copy(tree T)
{
 if(T== NULL)
        return NULL;
else
 {
        tree *newtree=(tree*)malloc(sizeof(tree));
        newtree->data=tree->data;
        newtree->left=copy(T->left);
        newtree->right=copy(T->right);
        return newtree;
 }
}

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