View Compilation Error

0_0_22222723_23004.cpp: In function 'int main()':
0_0_22222723_23004.cpp:37:34: error: 'strcmp' was not declared in this scope
     if(strcmp(temp,input[j].color) == 0)
                                  ^
0_0_22222723_23004.cpp:48:35: error: 'strcpy' was not declared in this scope
     strcpy(input[count].color,temp);
                                   ^