View Compilation Error

0_0_24822217_30447.cpp: In member function 'void Trie::insert(char*)':
0_0_24822217_30447.cpp:22:13: error: 'word' was not declared in this scope
     for(i=0;word[i];i++){
             ^
0_0_24822217_30447.cpp: In member function 'int Trie::query(char*)':
0_0_24822217_30447.cpp:34:13: error: 'word' was not declared in this scope
     for(i=0;word[i];i++){
             ^
0_0_24822217_30447.cpp: In function 'int main()':
0_0_24822217_30447.cpp:54:28: error: 'struct Trie' has no member named 'find'
         printf("%d\n",trie.find(word));
                            ^