linked file allocation os lab

#include <stdio.h>

void main()
{
char filename[20];
int startblock,blocksize,i,fb;
int freeblock[20];

printf("\n enter the file name");
scanf("%s",filename);
printf("\n enter the starting block and blocksize: ");
scanf("%d%d",&startblock,&blocksize);
printf("\n enter the number free blocks");
scanf("%d",&fb);
printf("\n
for(i=0;i<fb;i++)
{
scanf("%d",&freeblock[i]);
}
printf("\n\n the file name is : %s",filename );
printf("\nthe linked list file allocation is\n ");
printf("%d->",startblock);
for(i=0;i<blocksize-1;i++)
{
printf("%d->",freeblock[i]);
}

}