I'm using 'fseek' and when I try to set the pointer beyond the end of file, I don't get and error message. Does anybody know how to generate an error message from from 'fseek' to monitor when you have gone beyond the end of file.

Here is my code:

struct Person
{
int RecNum;
char Type[11];
char CoName[41];
char LastName[41];
char FirstName[41];
char Address[61];
char TeleNum[16];


};

struct Person DB;

void rfile_db(void) // READ A RECORD TO DB
{

FILE *fptr;
int bytes_out;
CString msg;

if ((fptr = fopen("temp3.rec", "r+b")) ==NULL)
{
AfxMessageBox("Can't Open/Create File ");
}
// recno is the max # of records in the file
offset = recno * sizeof(DB); // DB is a struct of the file



msg.Format( "Recno = %d", recno);
AfxMessageBox(msg);

if (fseek(fptr,offset,SEEK_SET) !=0){
AfxMessageBox(" can't move pointer there");
}else{

bytes_out = fread(&DB, sizeof(DB),1, fptr);

fclose(fptr);
if (bytes_out) AfxMessageBox("File was Read, Bytes = ");
}



fclose(fptr);



}