Program to find power of a given number in c

/* power of given number */
# include<stdio.h>
void main ()
{
int a,b,pow=1,counter=0 ;
clrscr () ;
printf ("\n enter value of a:") ;
scanf ("%d",& a) ;
printf ("\n enter value of b:") ;
scanf ("%d",& b) ;
while (counter!=b)
{
pow =pow*a ;
counter++ ;
}
printf ("%d", pow) ;
getch () ;
}