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Entry to the linked list using c++

class ListEntry { char* listvalue; ListEntry* preventry; public: ListEntry(char*); ~ListEntry() { delete [] listvalue; } ListEntry* PrevEntry() const { return preventry; }; void display() const { std::cout << std::endl << listvalue; } // Use the 'this' pointer to chain the list. void AddEntry(ListEntry& le) { le.preventry = this; } }; // The constructor definition. ListEntry::ListEntry(char* s) { listvalue = new char[std::strlen(s)+1]; std::strcpy(listvalue, s); preventry = 0; } int main() { ListEntry* prev = 0; // Read in some names. while (1) { std::cout << std::endl << "Enter a name ('end' when done): "; char name[25]; std::cin >> name; if (std::strncmp(name, "end", 3) == 0) break; // Make a list entry of the name. ListEntry* list = new ListEntry(name); // Add the entry to the linked list. if (prev != 0) ...