View Compilation Error

0_0_17839407_13237.cpp: In function 'int search(const char*)':
0_0_17839407_13237.cpp:66:16: error: redeclaration of 'node_t* p'
         node_t*p=loc;
                ^
0_0_17839407_13237.cpp:60:20: note: 'const char* p' previously declared here
     for(char const*p=target;*p;++p){
                    ^