/*  File: scanf5.c

    This program shows the return values
    given by scanf.

*/

/* Include only the standard library */

#include <stdio.h>

main() {
   int n, rv ;
   double x ;

   printf("Enter an integer and a double: ") ;
   rv = scanf("%d%lf", &n, &x) ;

   printf("n = %d, x = %g, rv = %d\n", n, x, rv) ;
}

--------------------------------------------------

lassie% cc scanf5.c
lassie% 

lassie% a.out 
Enter an integer and a double: 12 13.2
n = 12, x = 13.2, rv = 2
lassie% 

lassie% a.out
Enter an integer and a double: 13.215
n = 13, x = 0.215, rv = 2
lassie%