View Compilation Error

0_0_29383301_5471.cpp: In function 'int main()':
0_0_29383301_5471.cpp:27:29: error: 'strcmp' was not declared in this scope
   if (strcmp(s, "ENDOFINPUT") == 0){
                             ^
0_0_29383301_5471.cpp:31:40: error: 'memset' was not declared in this scope
   memset(str, '\0', 1000 * sizeof(char));
                                        ^