View Compilation Error

0_0_25853835_25636.cpp: In function 'int main()':
0_0_25853835_25636.cpp:34:9: error: 'Next' was not declared in this scope
   clean(Next,0);
         ^
0_0_25853835_25636.cpp:34:15: error: 'clean' was not declared in this scope
   clean(Next,0);
               ^
0_0_25853835_25636.cpp:35:9: error: 'p' was not declared in this scope
   clean(p,'\0');
         ^