View Compilation Error

0_0_30095905_9823.cpp: In function 'int main()':
0_0_30095905_9823.cpp:28:35: error: 'strcpy' was not declared in this scope
                     strcpy(c, a[j]);
                                   ^
0_0_30095905_9823.cpp:35:34: error: 'strcmp' was not declared in this scope
             if (strcmp(a[i], b[i]))
                                  ^