View Compilation Error

0_0_16193577_1723.cpp: In function 'int main()':
0_0_16193577_1723.cpp:33:34: error: 'strcmp' was not declared in this scope
    if(strcmp(p[i].fristname,"Ted")==0) {p[i].realage=100-p[i].age;p[i].generation=1;k--;}
                                  ^
0_0_16193577_1723.cpp:44:44: error: 'strcmp' was not declared in this scope
      if(strcmp(p[j].lastname,p[i].fristname)==0) {p[i].realage=p[j].realage-p[i].age;p[i].generation=flog+1;k--;}
                                            ^