HI
this is the program to read all the valid records in the file , generated by chain
hashing program, so u can c that the records from this file.
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<dos.h>
void main()
{
/* struct {
int sno;
char from[10];
char to[10];
char subject[20];
char message[1000];
char date[30];
}m;*/
struct {
char name[20];
char author[20];
char category[20];
long int bookid;
char status;
long int id;
int next;
}m;
FILE *fm;
int i=0;
clrscr();
fm=fopen("bookdb.dat","rb+");
if(fm==NULL)
{
printf("cant open file");
getch();
exit(1);
}
while(fread(&m,sizeof(m),1,fm)==1)
{
i++;
if(m.bookid>0)
{
printf("id=%ld ",m.id);
printf("name=%s ",m.name);
printf("author=%s ",m.author);
printf("category=%s ",m.category);
printf("status=%c ",m.status);
printf("bookid=%ld ",m.bookid);
printf("next=%d\n",m.next);
printf("\nvalue of i%d\n",i);
delay(1000);
}
}
printf("\nvalue of i%d",i);
getch();
}
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