View Compilation Error

0_0_22223603_9606.cpp: In function 'int main()':
0_0_22223603_9606.cpp:19:52: error: 'strcmp' was not declared in this scope
  while(~scanf("%s",English) && strcmp(English,"END"))
                                                    ^
0_0_22223603_9606.cpp:26:39: error: 'strcmp' was not declared in this scope
  while(gets(Mars) && strcmp(Mars,"END"))
                                       ^