View Compilation Error

0_0_30864174_23368.cpp: In function 'TrieNode createNode()':
0_0_30864174_23368.cpp:25:12: error: could not convert 'p' from 'TrieNode*' to 'TrieNode'
     return p;
            ^
0_0_30864174_23368.cpp: In function 'void insertPatten()':
0_0_30864174_23368.cpp:38:32: error: cannot convert 'TrieNode' to 'TrieNode*' in assignment
             p ->son[lowercase] = createNode();
                                ^
0_0_30864174_23368.cpp: In function 'int main()':
0_0_30864174_23368.cpp:122:14: error: cannot convert 'TrieNode' to 'TrieNode*' in assignment
         root = createNode();
              ^