Driver program
int main ( void ) { int n = 20 ; printf ( " Count ▁ for ▁ % d ▁ is ▁ % d STRNEWLINE " , n , count ( n ) ) ; n = 13 ; printf ( " Count ▁ for ▁ % d ▁ is ▁ % d " , n , count ( n ) ) ; return 0 ; }