View Compilation Error

0_0_27610945_11235.cpp: In function 'int main()':
0_0_27610945_11235.cpp:61:33: error: 'strcmp' was not declared in this scope
             if(strcmp(temp,"END")==0)
                                 ^
0_0_27610945_11235.cpp:63:35: error: 'strcmp' was not declared in this scope
             if(strcmp(temp,"START")!=0)
                                   ^
0_0_27610945_11235.cpp:77:33: error: 'strcmp' was not declared in this scope
             if(strcmp(temp,"END")==0)
                                 ^
0_0_27610945_11235.cpp:79:35: error: 'strcmp' was not declared in this scope
             if(strcmp(temp,"START")!=0)
                                   ^
0_0_27610945_11235.cpp:89:27: error: 'strcmp' was not declared in this scope
         if(strcmp(user,ans)==0)
                           ^