/*  File: scanf2.c

    This program demonstrates the use
    of the scanf function.
*/

/* Include only the standard library */

#include <stdio.h>

main() {
   int n ;
   double x ;

   printf("Enter an integer: ") ;
   scanf("%d", n) ;

   printf("n = %d", n) ;
}

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

lassie% cc scanf2.c
lassie% a.out
Enter an integer: 5
Segmentation fault (core dumped)
lassie%