C Program01 Chap01: Area of Squre

/*Prime.Chapter_01/17 Write a program for Area of Squre*/   //document #include<stdio.h>    //Header file #include<conio.h>   //Header file Preprocessor Directive #define N 10        //Symbolic constant     void main()     //main program starts {     int area;       //variable declaration     area = N*N;     //process stmt      printf("Area of square:\n"); // o/p stmt     printf("%d", area);            // to show the output visible     getch();     return 0; }   // Program ends.