Prog#164: read & display to students biodata

C Programming
#1 
/*
read & display to students biodata
Program#164
*/
#include<stdio.h>
main()
{
struct bio {
char nar [25];
int rollno;
char college [25];
};
typedef struct bio BIO;
BIO a;
int i;
for (i=0;i<a;i++)
scanf("%s %d %s", a[i].name, & a[i].rollno, a[i].college);
for (i=0;i<a;i++) 
printf("%s %d %s", a[i].name, a[i].rollno, a[i].college);
}