#include "circlessrv.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>


int square(int x)
{ return x*x; }

double dist(int x1, int y1, int x2, int y2)
{  int dx2, dy2;
   dx2 = (x1-x2)*(x1-x2);
   dy2 = (y1-y2)*(y1-y2);
   return sqrt(dx2+dy2);
}

/* circumference */
double circu(double radius)
{ return 3.1415927 * 2 * radius; }


/* shell call - beware of security risk */
int shell(char * command)
{ int result; 
  int c;
  printf("Remote process wishes to execute  %s\n  Continue? ",command);
  c = (char)getchar();
  if (c == 'y') result = system(command);
  if ((c != 'y') || (result < 0)) return 0; else return 1;
}

/* compile with:
gcc -c colcserver.c   base stub
gcc -c circlessrv.c   generated by mcc
gcc -lnsl -lsocket -lm colcserver.o circlessrv.o circlesimp.c -o circsrv
*/