View Compilation Error

0_0_33270967_14062.cpp: In function 'int main()':
0_0_33270967_14062.cpp:74:30: error: 'strcmp' was not declared in this scope
             if(strcmp(s,"End")==0)
                              ^
0_0_33270967_14062.cpp:78:30: error: 'strcmp' was not declared in this scope
             if(strcmp(s,"Add")==0)
                              ^