function with looping
#include
void inputoutput ()
{
int comp,ans;
clrscr ();
printf ("choose please: 1=perimeter,2=area,3=volume] ?: ");
scanf ("%d",&comp);
if (comp==1)
{
int le, wi;
printf ("Enter the length: ");
scanf ("%d",&le);
printf ("Enter the width: ");
scanf ("%d",&wi);
printf ("P=%d",perimeter(le,wi));
}
else if (comp==2)
{
int le, wi;
printf ("Enter the length: ");
scanf ("%d",&le);
printf ("Enter the width: ");
scanf ("%d",&wi);
printf ("A=%d", area(le,wi));
}
else if (comp==3)
{
int length,width,height;
printf ("Enter lenght: ");
scanf ("%d",&length);
printf ("Enter width: ");
scanf ("%d",&width);
printf ("Enter height: ");
scanf ("%d",&height);
printf ("V=%d",volume (length,width,height));
}
else inputoutput ();
printf ("
Do you want to continue? [Yes=1/No=0]: ");
scanf ("%d",&ans);
if (ans==1)
inputoutput ();
else printf ("GOOD BYE");
}
int perimeter (int l, int w)
{
int per;
per=(l*2)+(w*2);
return (per);
}
int area (int le, int wi)
{
int are;
are=le*wi;
return (are);
}
int volume (int length, int width, int height)
{
int vol;
vol=(length*width*height);
return (vol);
}
main ()
{
clrscr ();
inputoutput ();
getch ();
}