While_control.c

int main(void) {
  unsigned long side; // room wall meters 
  unsigned long area; // size squared meters 
  UART_Init();  // call subroutine to initialize the uart 
  printf("This program calculates areas of square-shaped rooms\n"); 
  side = 1; 
  while(side < 50){ 
    area = Calc_Area(side); 
    printf("\nArea of the room with side of %ld m is %ld sqr m\n",side,area); 
    side = side+1; 
  } 
}