[code]

var total_num_sides;
var current_num_sides = 3;
var x = 4;
var i;

{
total_num_sides = current_num_sides * x;
i++;
total_num_sides = current_num_sides;
}do while (i<=93);

document.write(total_num_sides);

[code]

^^^^
help koch snowflake

im trying to write a loop to calculate the number of sides after 93 minutes... where did i go wrong and i know this is probably easier to write in the form of a for loop but that doesn't want to work with me either..

3*4*4...*4

import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import java.io.*;
import java.util.Properties;
public class SENDMAIL
{


public void sendMail(String mailServer, String from, String to,
String subject, String messageBody,
String[] attachments) throws
MessagingException, AddressException
{
// Setup mail server
Properties props = System.getProperties();
props.put("mail.smtp.host", mailServer);

// Get a mail session
Session session = Session.getDefaultInstance(props, null);

// Define a new mail message
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress(from));
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
message.setSubject(subject);

// Create a message part to represent the body text
BodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setText(messageBody);

//use a MimeMultipart as we need to handle the file attachments
Multipart multipart = new MimeMultipart();

//add the message body to the mime message
multipart.addBodyPart(messageBodyPart);

// add any file attachments to the message
addAtachments(attachments, multipart);

// Put all message parts in the message
message.setContent(multipart);

// Send the message
Transport.send(message);


}

protected void addAtachments(String[] attachments, Multipart multipart)
throws MessagingException, AddressException
{
for(int i = 0; i<= attachments.length -1; i++)
{
String filename = attachments[i];
MimeBodyPart attachmentBodyPart = new MimeBodyPart();

//use a JAF FileDataSource as it does MIME type detection
DataSource source = new FileDataSource(filename);
attachmentBodyPart.setDataHandler(new DataHandler(source));

//assume that the filename you want to send is the same as the
//actual file name - could alter this to remove the file path
attachmentBodyPart.setFileName(filename);

//add the attachment
multipart.addBodyPart(attachmentBodyPart);
}
}

public static void main(String[] args)
{
try
{
SENDMAIL MAIL = new SENDMAIL();
String server="pop3.gmail.com";
String from="username@gmail.com";
String to = "other user name@gmail.com";
String subject="Test";
String message="Testing";
String[] filenames =
{"c:/somefile.txt"};

MAIL.sendMail(server,from,to,subject,message,filenames);
}
catch(Exception e)
{
e.printStackTrace(System.out);
}

}
}
i want to send mail using this code but i getting exception like this.
avax.mail.MessagingException: Unknown SMTP host: pop3.gmail.com;
nested exception is:
java.net.UnknownHostException: pop3.gmail.com
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1543)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:453)
at javax.mail.Service.connect(Service.java:291)
at javax.mail.Service.connect(Service.java:172)
at javax.mail.Service.connect(Service.java:121)
at javax.mail.Transport.send0(Transport.java:190)
at javax.mail.Transport.send(Transport.java:120)
at SENDMAIL.sendMail(SENDMAIL.java:46)
at SENDMAIL.main(SENDMAIL.java:85)
Caused by: java.net.UnknownHostException: pop3.gmail.com
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:267)
at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:227)
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1511)
... 8 more
i have taken code from this siite only plz suggest me how to remove this exception.
thanks in advance.

avax.mail.MessagingException: Unknown SMTP host: pop3.gmail.com;
nested exception is:
java.net.UnknownHostException: pop3.gmail.com
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1543)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:453)
at javax.mail.Service.connect(Service.java:291)
at javax.mail.Service.connect(Service.java:172)
at javax.mail.Service.connect(Service.java:121)
at javax.mail.Transport.send0(Transport.java:190)
at javax.mail.Transport.send(Transport.java:120)
at SENDMAIL.sendMail(SENDMAIL.java:46)
at SENDMAIL.main(SENDMAIL.java:85)
Caused by: java.net.UnknownHostException: pop3.gmail.com
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:267)
at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:227)
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1511)
... 8 more
i have taken code from this siite only plz suggest me how to remove this exception.
thanks in advance.

asdasd'asdasd'asdasd''''

I love this graph

bubble graph

It is here
http://www.listoffreelancers.com/profiles/ketankulkarni

Simple and clean design. I like this website.

Ketan

Another site with some challenges. Basically, I'm linking this to get a measly five points ;O.

Hellbound Hackers

This was really useful, and worked great to communicate between servers.

http://www.linuxjournal.com/article/8904

Thanks to gabbs

Well thats me up to Level 12, nice little level i really enjoyed it and learned a LOT from it.

I did my usual annoy Domuk about level 11 for a couple of days and generally moan about the fact i couldn't do it... heh.

And so, on to level 13, this is where it ends for the vast majority of OSIX Geeks, i feel proud to be amoung the privilaged few lol.

Yes i'm crazy but heres what ive been thinking about and it seems more reasonable that a lot of reality. Note that this ties into parapsychology/psychokinesis research.

Mind is not over matter. Thats the wrong state of thinking for sure.

Look, this is how i think i see it now, im enlightened or ignorant but such is the world. Every time.

The thing ive come across is that when we think it is Mind over matter we are convinced that we can directly influence an object or anything else. Thats because we figure that our Mind is stronger than anything we might put it up against. On a previous article i've written, I said that we would need to find out where the Mind interacts with our brain in order to initiate action.

ok gang here comes.

Its true what i said earlier..our Mind is most definitely NOT [over] matter. And since we dont really have any method scientifically to find the Mind itself can we not say that Mind IS matter? Yes we can, because if you will also think back to my discussion of Mind and conciousness, i said that we each exist in Our world and that everything can seemingly be based around us. Though most folks interact to some degree with things that will never have anything to do with them, the world I speak of is the one you live in, walk and talk through each day. So our Mind is everything that our world or our personal universe is made of. Mind is Matter.

With the fact or idea (whichever you prefer) that Mind is Matter, (not the literal sense, like..grey matter...idiot.) um with that idea...we have a seeming location of the Mind. We can say my mind is located in everything around me, it makes up every aspect of the world I personally live in, and my thoughts, my reactions, anything that must be initiated by energy from my Mind comes from my environment and surrounding things. Everything I see, everything I interact with from day to day, everything I come into any form of contact with contributes to my Mind because it will flow through thought. Therefore, once again, Mind is matter. Mind is composed of my personal world.

We have a location for Mind now people. Now where oh where would we consider an interaction point for the energies of Mind to be converted into reactions and movements? Our body itself MUST be the interaction point of Mind. Not only is it our brain, but since a stimulus has to occur to our body, (message then goes to brain to create an effect on our senses) it has to be our whole body. Our brain only tells us where the message is coming from and it also does things like reflex...Go ahead and think of your brain as being solely responsible for involuntary action. Mind guides our actions through thought. The initial energy that is put into actions with any form of thought behind it (this means exclude reflex) lets us see rather plainly, or not if youre blind, that Mind is connected to the world through our body.

So we know where we can possibly find our Mind, and we know now that its connected to the corporeal world through our body. When we commit action with the Mind, such as the entire goal of my research happens to be, we are basically forced to use our body to carry it out. This is a plain fact of life. So now the only thing that remains to be discovered is the way or method to take our Mind's interaction with the body and move it directly to what we wish to influence. To take the energy that we can call thought or want to...and instead of having to use any tools..such as our body...use the raw energy directly.

With the discovery (of sorts) of where Mind is, and where the interaction point is...we can move to the final step and are well on the way to experimentation.

Now I'd like to revisit something from earlier and maybe (expect recovering of some areas) elaborate on a couple things.. First. I have a suspicion that our brain is responsible for nothing more than involuntary actions. Hear me out guys. Nothing you do is voluntary by the body. Which means all of your muscles that move when you decide for them to move...are being forced to. Involuntary action, on their part..because you want it to happen.

I know that seems a little bit hard to grasp but here goes: You as a person are not held within your brain. Your Mind holds your personality and all your traits/flaws. So its partially safe to say that upon removal of Mind from the body..that the body cannot be called - You. right? Since your Mind exists in all things that make up your personal world, we can go deeper insomuch as to say that it is, in fact, not part of the body. Which also explains the need for an interaction point (the body) to the world. Are we all still on the same page here?

So every interaction that begins in the Mind...which is anything non-reflexive or voluntary...forces the body to commit what the action dictates. If you wish to go running, then the action is initiated in the Mind. "I THINK I'll go for a run." As you run the corporeal body will fatigue and want to stop...but you press on for the sake of exercise, you force the body to continue through willpower/thought. Tell me how the brain is involved in that in any voluntary action?

The only thing it has done in this (or most any) instance is send the signals to tell the muscles how to do the action you want. Running is created in a sort of chain reaction. You spark the idea with Mind. The energy is carried to the tools (brain), which, in turn signals secondary tools (muscles) to begin working. Do you still understand?

Comments (helpful ones) are welcome. Ill add more to this later on.
-NS

#include<stdio.h>
#include<string.h>
#include<conio.h>
#include<ctype.h>

/****************************************************************
Functions prototype.
*****************************************************************/

void Open_File();
void Demage_Lexeme();
int Search(char[256],int);
void analyze();
void Skip_Comment();
void Read_String();
void Is_Keyword_Or_Not();
void Is_Identifier_Or_Not();
void Is_Operator_Or_Not();
void Read_Number();
void Is_Special_Or_Not();
void Is_Comparison_Or_Not();
void Add_To_Lexical (char[256],int,char[256]);
void Print_ST();
void Print_TOKEN();
void Token_Attribute();

/****************************************************************
Data structure used in program.
*****************************************************************/

struct lexical
{
char data[256]; //Value of token.
int line[256]; //Line # which token appear in input
file.
int times; //# of times that token appear in input
file.
char type[256]; //Type of each token.
struct lexical *next;
};

typedef struct lexical Lex;
typedef Lex *lex;

/****************************************************************
File pointer for accessing the file.
*****************************************************************/

FILE *fp;
FILE *st;
FILE *token;
char lexeme[256],ch;
int f,flag,line=1,i=1;
lex head=NULL,tail=NULL;

/****************************************************************
Array holding all keywords for checking.
*****************************************************************/

char
*keywords[]={"procedure","is","begin",&qu ot;end","var","cin","cout","if" ;,
"then","else","and","or","not& quot;,"loop","exit","when",
"while","until"};

/****************************************************************
Array holding all arithmetic operations for checking.
*****************************************************************/

char arithmetic_operator[]={'+','-','*','/'};

/****************************************************************
Array holding all comparison operations for checking.
*****************************************************************/

char *comparison_operator[]={"<",">","=",&qu ot;<=","<>",">="};

/****************************************************************
Array holding all special for checking.
*****************************************************************/

char special[]={'%','!','@','~','$'};

/****************************************************************

**************
*MAIN PROGRAM*
**************

*****************************************************************/

void main()
{
Open_File();
analyze();
fclose(fp);
Print_ST();
Print_TOKEN();
}

/****************************************************************
This function open input sourse file.
*****************************************************************/

void Open_File()
{

fp=fopen("source.txt","r"); //provide path for source.txt here
if(fp==NULL)
{
printf("!!!Can't open input file - source.txt!!!");
getch();
exit(0);
}
}

/****************************************************************
Function to add item to structure of array to store data and
information of lexical items.
*****************************************************************/

void Add_To_Lexical (char value[256],int line,char type[256])
{
lex new_lex;

if (!Search(value,line)) //When return 1 the token not found.
{

new_lex=malloc(sizeof(Lex));

if (new_lex!=NULL)
{
strcpy(new_lex->data,value);
new_lex->line[0]=line;
new_lex->times=1;
strcpy(new_lex->type,type);
new_lex->next=NULL;

if (head==NULL)
head=new_lex;
else
tail->next=new_lex;

tail=new_lex;
}
}
}

/****************************************************************
Function to search token.
*****************************************************************/

int Search (char value[256],int line)
{
lex x=head;
int flag=0;

while (x->next!=NULL && !flag)
{
if (strcmp(x->data,value)==0)
{
x->line[x->times]=line;
x->times++;
flag=1;
}
x=x->next;
}
return flag;
}

/****************************************************************
Function to print the ST.TXT .
*****************************************************************/

void Print_ST()
{
lex x=head;
int j;

if ((st=fopen("ST.TXT","w"))==NULL)
printf("The file ST.TXT cat not open.
");

else

{
fprintf(st," %s %s %s
","Line#","Lexeme","Type");
fprintf(st," ---- ------ ----
");

while (x!=NULL)
{
if ((strcmp(x->type,"num")==0) ||
(strcmp(x->type,"keyword")==0) ||
(strcmp(x->type,"identifier")==0))
{
fprintf(st," ");

for (j=0;j<x->times;j++)
{
fprintf(st,"%d",x->line[j]);
if (j!=x->times-1) //This condition to prevent the comma
fprintf(st,",",x->line[j]); //"," to not print after last line #.
}

fprintf(st," %-6s %-6s
",x->data,x->type);
}
x=x->next;
}

fclose(st);
}
}

/****************************************************************
Function to print the TOKENS.TXT .
*****************************************************************/

void Print_TOKEN()
{
int flag=0;

fp=fopen("source.txt","r");

if(fp==NULL)
{
printf("!!!Can't open input file - source.txt!!!");
getch();
exit(0);
}

else

{
if ((token=fopen("TOKENS.TXT","w"))==NULL)
printf("The file ST.TXT cat not open.
");

else

{
ch=fgetc(fp);

while (!(feof(fp)))
{

if (ch==' ' && !flag)
{
do
ch=fgetc(fp);
while (ch==' ');

fseek(fp,-2,1);
ch=fgetc(fp);
flag=1;
}

if (ch!='
' && ch!=' ')
fprintf(token,"%c",ch);

if (ch=='
')
{
fprintf(token,"
");
Token_Attribute();
i++;
flag=0;
}

ch=fgetc(fp);
}
}
}
fclose(fp);
fclose(token);
}

/****************************************************************
Function to put the token and atrribute in TOKENS.TXT .
*****************************************************************/

void Token_Attribute()
{
lex x=head;
int j;

while (x!=NULL)
{
if (x->line[0]==i)
{
fprintf(token,"token : %-4s ",x->type);

if ((strcmp(x->type,"num")==0) ||
(strcmp(x->type,"keyword")==0) ||
(strcmp(x->type,"identifier")==0))

{
fprintf(token,"attribute : line#=%-4d
",i);
}

else

{
fprintf(token,"attribute : %-4s
",x->data);
}

}
x=x->next;
}
fprintf(token,"
");
}

/****************************************************************
Function to create lexical analysis.
*****************************************************************/

void analyze()
{

ch=fgetc(fp); //Read character.

while(!feof(fp)) //While the file is not end.
{

if(ch=='
') //Compute # of lines in source.txt
.
{
line++;
ch=fgetc(fp);
}

if(isspace(ch) && ch=='
' )
{
line++;
ch=fgetc(fp);
}
if(isspace(ch) && ch!='
' ) //The character is space.
ch=fgetc(fp);


if(ch=='/' || ch=='"') //Function for skipping comments in the
file
Skip_Comment(); //and '"' with display statements.


if(isalpha(ch)) //The character is leter.
{
Read_String();
Is_Keyword_Or_Not();
Is_Operator_Or_Not();
Is_Identifier_Or_Not();
}


if(isdigit(ch)) //The character is digit.
Read_Number();


if (ch==';') //The character is semicolon.
Add_To_Lexical(";",line,"semicolon");


if (ch==':') //The character is colon.
Add_To_Lexical(":",line,"colon");


if (ch==',') //The character is comma.
Add_To_Lexical(",",line,"comma");


if (ch=='(') //The character is parenthesis.
Add_To_Lexical("(",line,"parenthesis");


if (ch==')') //The character is parenthesis.
Add_To_Lexical(")",line,"parenthesis");

//The character is comparison_operator
if (ch=='<' || ch=='=' || ch=='>')
Is_Comparison_Or_Not();


Is_Special_Or_Not(); //After failed scaning in before cases
//check the character is special or not.
Demage_Lexeme();

if(isspace(ch) && ch=='
' )
{
line++;
ch=fgetc(fp);
}
else
ch=fgetc(fp);
}
}

/****************************************************************
This function read all character of strings.
*****************************************************************/

void Read_String()
{
int j=0;

do
{
lexeme[j++]=ch;
ch=fgetc(fp);
} while(isalpha(ch));

fseek(fp,-1,1);
lexeme[j]='

this code access the lpt port.here only 4 of the total 8 pins are used but can be modified for full 8 pins.it has a complete GUI with mouse & keyboard interactive control panel.works well in win98, but not in winxp.


#include<stdio.h>
#include<conio.h>
#include<dos.h>
#include<graphics.h>
#include<stdlib.h>
#include<bios.h>
#define port 0x0378

char ch;
void display(int,int,int,int);
void dispbutton(int);
void click(int,int,int,int);
void status(int,int,int,int);
void reset(int*,int*,int*,int*);

int x,y,button;
union REGS i,o;

initmouse()
{
i.x.ax=0;
int86(0x33,&i,&o);
return(o.x.ax);
}

void showmouseptr()
{
i.x.ax=1;
int86(0x33,&i,&o);
}

void getmousepos(int *button, int *x,int *y)
{
i.x.ax =3;
int86(0x33,&i,&o);
*button =o.x.bx;
*x=o.x.cx;
*y=o.x.dx;
}

void hidemouseptr()
{
i.x.ax=2;
int86(0x33,&i,&o);
}


void main()
{clrscr();
int s1=0,s2=0,s3=0,s4=0;
int gdriver=DETECT,gmode,ercode;
initgraph(&gdriver,&gmode,"");
ercode=graphresult();
if(ercode!=0){printf("error code:%s",grapherrormsg(ercode));
getch();}
display(s1,s2,s3,s4);
initmouse();showmouseptr();
while(ch!=27)
{getmousepos(&button,&x,&y);
if(button==1)
{if(x>80&&x<180&&y>100&&y<140)ch='1';
if(x>200&&x<300&&y>100&&y<140)ch='2';
if(x>320&&x<420&&y>100&&y<140)ch='3';
if(x>440&&x<540&&y>100&&y<140)ch='4';
if(x>440&&x<540&&y>300&&y<340)ch=32;
if(x>80&&x<180&&y>300&&y<340)ch=27;

}


if(kbhit())ch=getch();
switch(ch)
{case '1':{s1=!s1;
click(s1,s2,s3,s4);
outportb(port,1);delay(500);outport(port,0);
ch='0';break;
}
case '2':{s2=!s2;
click(s1,s2,s3,s4);
outportb(port,2);delay(500);outport(port,0);
ch='0';break;
}
case '3':{s3=!s3;
click(s1,s2,s3,s4);
outportb(port,4);delay(500);outport(port,0);
ch='0';break;
}
case '4':{s4=!s4;
click(s1,s2,s3,s4);
outportb(port,8);delay(500);outport(port,0);
ch='0';break;
}
case 32:{click(s1,s2,s3,s4);
reset(&s1,&s2,&s3,&s4);
ch='0';break;
}
case 27: {click(s1,s2,s3,s4);
reset(&s1,&s2,&s3,&s4);
closegraph();exit(0);}
}

}
}

void display(int s1,int s2,int s3,int s4)
{setbkcolor(9);setcolor(1);
rectangle(5,5,635,475);rectangle(10,10,630,470);
dispbutton(1);dispbutton(2);dispbutton(3);dispbutton(4);
dispbutton(5);dispbutton(6);
status(s1,s2,s3,s4);
setcolor(1);
outtextxy(100,115,"SWITCH 1");
outtextxy(220,115,"SWITCH 2");
outtextxy(340,115,"SWITCH 3");
outtextxy(460,115,"SWITCH 4");
outtextxy(115,315,"EXIT");
outtextxy(470,315,"RESET");
}

void dispbutton(int n)
{int x1,y1,x2,y2;
if(n==1){x1=80;y1=100;x2=180;y2=140;}
if(n==2){x1=200;y1=100;x2=300;y2=140;}
if(n==3){x1=320;y1=100;x2=420;y2=140;}
if(n==4){x1=440;y1=100;x2=540;y2=140;}
if(n==5){x1=80;y1=300;x2=180;y2=340;}
if(n==6){x1=440;y1=300;x2=540;y2=340;}
setfillstyle(SOLID_FILL,7);
bar(x1,y1,x2,y2);
setcolor(15);
line(x1,y1,x2,y1);line(x1,y1,x1,y2);
setcolor(8);
line(x2,y1,x2,y2);line(x1,y2,x2,y2);
}

void click(int s1,int s2,int s3,int s4)
{int x1,y1,x2,y2;
if(ch=='1'){x1=80;y1=100;x2=180;y2=140;}
if(ch=='2'){x1=200;y1=100;x2=300;y2=140;}
if(ch=='3'){x1=320;y1=100;x2=420;y2=140;}
if(ch=='4'){x1=440;y1=100;x2=540;y2=140;}
if(ch==27){x1=80;y1=300;x2=180;y2=340;}
if(ch==32){x1=440;y1=300;x2=540;y2=340;}
hidemouseptr();
setcolor(15);line(x2,y1,x2,y2);line(x1,y2,x2,y2);
setcolor(8);line(x1,y1,x2,y1);line(x1,y1,x1,y2);
sound(50);delay(75);nosound();
setcolor(15);line(x1,y1,x2,y1);line(x1,y1,x1,y2);
setcolor(8);line(x2,y1,x2,y2);line(x1,y2,x2,y2);
showmouseptr();
status(s1,s2,s3,s4);

}

void status(int s1,int s2,int s3,int s4)
{setcolor(4);setfillstyle(SOLID_FILL,4);
circle(130,200,10);
circle(250,200,10);
circle(370,200,10);
circle(490,200,10);
if(s1==1)floodfill(130,200,4);
else {setcolor(0);setfillstyle(SOLID_FILL,0);circle(130,200,10);
floodfill(130,200,0);
setcolor(4);circle(130,200,10);setfillstyle(SOLID_FILL,4);
}
if(s2==1)floodfill(250,200,4);
else {setcolor(0);setfillstyle(SOLID_FILL,0);circle(250,200,10);
floodfill(250,200,0);
setcolor(4);circle(250,200,10);setfillstyle(SOLID_FILL,4);
}
if(s3==1)floodfill(370,200,4);
else {setcolor(0);setfillstyle(SOLID_FILL,0);circle(370,200,10);
floodfill(370,200,0);
setcolor(4);circle(370,200,10);setfillstyle(SOLID_FILL,4);
}
if(s4==1)floodfill(490,200,4);
else {setcolor(0);setfillstyle(SOLID_FILL,0);circle(490,200,10);
floodfill(490,200,0);
setcolor(4);circle(490,200,10);
}
}

void reset(int *s1,int *s2,int *s3,int *s4)
{if(*s1==1)
{outportb(port,1);delay(500);outport(port,0);}
if(*s2==1)
{outportb(port,2);delay(500);outport(port,0);}
if(*s3==1)
{outportb(port,4);delay(500);outport(port,0);}
if(*s4==1)
{outportb(port,8);delay(500);outport(port,0);}
*s1=0;*s2=0;*s3=0;*s4=0;
status(*s1,*s2,*s3,*s4);
}

#include<stdio.h>
#include<conio.h>
#include<dos.h>

void main()
{
void tone(void);
int p=0x0378;
char ex[23]={"Created By Mrc"};
int j;
char ex1[34]={"For Further Details & Improvements"};
int k;
char ex2[43]={"Contact : E-mail : anbudanravi_krr@sify.com"};
int l;
char ex3[24]={"Programming Language : C"};
int m;
int u[10];
int i;
static a,b,c,d,e,f,g,h;
char no;
clrscr();
textcolor(15);
gotoxy(20,6);
cprintf("PC BASED DEVICE CONTROLLER");
textcolor(11);
gotoxy(20,7);
cprintf("~~~~~~~~~~~~~~~~~~~~~~~~~~");
textcolor(11);
gotoxy(10,10);
cprintf("Equipment Number: 1 2 3 4 5 6 7 8");
textcolor(11);
gotoxy(10,12);
cprintf("Status : %d %d %d %d %d %d %d
%d",a,b,c,d,e,f,g,h);
textcolor(10);
gotoxy(9,16);
cprintf("For 'ON' And 'OFF' An Equipment Press Corresponding Equipment
Number");
textcolor(11);
gotoxy(28,18);
cprintf("Status 0 = OFF Status 1 = ON");
textcolor(12);
gotoxy(32,20);
cprintf("For EXIT Press 'E'
");
no=getch();
switch(no)
{
case '1' :
a=!a;
tone();
outportb(p,1);
delay(500);
outport(p,0);
break;
case '2' :
b=!b;
tone();
outportb(p,2);
delay(500);
outport(p,0);
break;
case '3' :
c=!c;
tone();
outportb(p,4);
delay(500);
outport(p,0);
break;
case '4' :
d=!d;
tone();
outportb(p,8);
delay(500);
outport(p,0);
break;
case '5' :
e=!e;
tone();
outportb(p,16);
delay(500);
outport(p,0);
break;
case '6' :
f=!f;
tone();
outportb(p,32);
delay(500);
outport(p,0);
break;
case '7' :
g=!g;
tone();
outportb(p,64);
delay(500);
outport(p,0);
break;
case '8' :
h=!h;
tone();
outportb(p,128);
delay(500);
outport(p,0);
break;
case 'e' :
if((a|b|c|d|e|f|g|h)==1)
{
clrscr();
textcolor(10);
gotoxy(20,12);
cprintf("Please SHUT DOWN All The Equipments");
sound(200);
delay(500);
nosound();
delay(3000);
break;
}
else
{
clrscr();
for(j=0;j<23;j++)
{
textcolor(10);
gotoxy(20+j,12);
cprintf("%c",ex[j]);
sound(3000+j);
delay(30);
nosound();
}
for(m=0;m<23;m++)
{
textcolor(10);
gotoxy(20+m,13);
cprintf("%c",ex3[m]);
sound(1800+m);
delay(30);
nosound();
}
for(k=0;k<34;k++)
{
textcolor(10);
gotoxy(20+k,14);
cprintf("%c",ex1[k]);
sound(2000+k);
delay(30);
nosound();
}
for(l=0;l<40;l++)
{
textcolor(10);
gotoxy(20+l,15);
cprintf("%c",ex2[l]);
sound(2500+l);
delay(30);
nosound();
}
printf("



Press Any Key");
getch();
outportb(p,0);
}
case 'E' :
if((a|b|c|d|e|f|g|h)==1)
{
clrscr();
textcolor(10);
gotoxy(20,12);
cprintf("Please SHUT DOWN All The Equipments");
sound(200);
delay(500);
nosound();
delay(3000);
break;
}
else
{
clrscr();
for(j=0;j<23;j++)
{
textcolor(10);
gotoxy(20+j,12);
cprintf("%c",ex[j]);
sound(2500+j);
delay(30);
nosound();
}
for(m=0;m<24;m++)
{
textcolor(10);
gotoxy(20+m,13);
cprintf("%c",ex3[m]);
sound(3500+m);
delay(30);
nosound();
}
for(k=0;k<34;k++)
{
textcolor(10);
gotoxy(20+k,14);
cprintf("%c",ex1[k]);
sound(3000+k);
delay(30);
nosound();
}
for(l=0;l<43;l++)
{
textcolor(10);
gotoxy(20+l,15);
cprintf("%c",ex2[l]);
sound(3500+l);
delay(30);
nosound();
}
printf("



Press Any Key");
getch();
outportb(p,0);
exit(0);
}

default :
clrscr();
sound(500);
delay(100);
nosound();
textcolor(11);
gotoxy(30,12);
cprintf("Invalid Key Pressed");
textcolor(11);
gotoxy(33,14);
cprintf("Wait 2 Seconds");
delay(3000);
break;
}
main();
}

void tone(void)
{
sound(1000);
delay(100);
nosound();
}

This program prints Weekdays of specified date. It even prints calendar of a given year too.

/*Ccalendar library*/
#include<stdio.h>
#include<string.h>
#include<conio.h>
int getNumberOfDays(int month,int year)
{
switch(month)
{
case 1 : return(31);
case 2 : if(year%4==0)
return(29);
else
return(28);
case 3 : return(31);
case 4 : return(30);
case 5 : return(31);
case 6 : return(30);
case 7 : return(31);
case 8 : return(31);
case 9 : return(30);
case 10: return(31);
case 11: return(30);
case 12: return(31);
default: return(-1);
}
}
char *getName(int odd)
{
switch(odd)
{
case 0 :return("Sunday");
case 1 :return("Monday");
case 2 :return("Tuesday");
case 3 :return("Wednesday");
case 4 :return("Thursday");
case 5 :return("Friday");
case 6 :return("Saturday");
default:return("Error in getName() module.Invalid argument
passed");
}
}
int getOddNumber(int day,int mon,int year)
{
int res=0,t1,t2,y=year;
year = year-1600;
while(year>=100)
{
res=res+5;
year=year-100;
}
res=(res%7);
t1=((year-1)/4);
t2=(year-1)-t1;
t1=(t1*2)+t2;
t1=(t1%7);
res = res+t1;
res=res%7;
t2=0;
for(t1=1;t1<mon;t1++)
{
t2+=getNumberOfDays(t1,y);
}
t2 = t2+day;
t2 = t2%7;
res = res+t2;
res = res%7;
if(y>2000)
res=res+1;
res = res%7;
return res;
}
char *getWeek(int dd,int mm,int yy)
{
int odd;
if(!(mm>=1 && mm<=12))
{
return("Invalid month value");
}
if(!(dd>=1 && dd<=getNumberOfDays(mm,yy)))
{
return("Invalid date");
}
if(yy>=1600)
{
odd = getOddNumber(dd,mm,yy);
odd=odd%7;
return(getName(odd));
}
else
{
return("
Please give year more than 1600");
}
}
void printMonth(int mon,int year,int x,int y)
{
int nod,odd,cnt,d=1,x1=x,y1=y;
if(!(mon>=1 && mon<=12))
{
printf("
INVALID MONTH");
getch();
return;
}
if(!(year>=1600))
{
printf("
INVALID YEAR");
getch();
return;
}
if(x<=0)
x=wherex();
if(y<=0)
y=wherey();
gotoxy(x,y);
textcolor(RED);
cprintf("S");
textcolor(YELLOW);
cprintf(" M T W T F S");
/* 1234567891234567891234567 */
textcolor(7);
cprintf("");
y++;
nod=getNumberOfDays(mon,year);
odd=getOddNumber(d,mon,year);
switch(odd)
{
case 0 : x=x;
cnt=1;
break;
case 1 : x=x+4;
cnt=2;
break;
case 2 : x=x+8;
cnt=3;
break;
case 3 : x=x+12;
cnt=4;
break;
case 4 : x=x+16;
cnt=5;
break;
case 5 : x=x+20;
cnt=6;
break;
case 6 : x=x+24;
cnt=7;
break;
default : printf("

INVALID DATA FROM THE getOddNumber()
MODULE");
return;
}
gotoxy(25,25);
gotoxy(x,y);
printf("%02d",d);
for(d=2;d<=nod;d++)
{
if(cnt%7==0)
{
y++;
cnt=0;
x=x1-4;
}
x = x+4;
cnt++;
gotoxy(x,y);
printf("%02d",d);
}
}
main()
{
char ch='k';
int dd,mm,yy;
while(ch!='0')
{
clrscr();
printf("




1.Know the day");
printf("
2.Print the month");
printf("
0.EXIT");
printf("

ENTER YOUR CHOICE : ");
flushall();
fflush(stdin);
ch=getche();
clrscr();
switch(ch)
{
case '1': printf("Enter date (DD MM YYYY) : ");
scanf("%d %d %d",&dd,&mm,&yy);
printf("
Day is : %s",getWeek(dd,mm,yy));
flushall();
getch();
break;
case '2' : printf("Enter month and year (MM YYYY) : ");
scanf("%d %d",&mm,&yy);
printf("

");
printMonth(mm,yy,-1,-1);
flushall();
getch();
break;
case '0' : exit(0);
}
}
}

#include"graphics.h"
#include"dos.h"
#include"stdio.h"
#include"math.h"
union REGS i,o;
char text[35][25]={
"7","8","9","*","4",& quot;5","6","/","1","2"," 3","+","0","00",".","-&qu ot;,"M","M+",
"M-","+/-","MR","MC","x^2& quot;,"sr","OFF","AC","CE","=& quot;};

int s=0,k=0,pass,op,prop,newnum=1,bt,memo=1,d=0,sq;
long double num=0,accum,m;
void normalbutton(int,int,int,int,char *);
void main()
{
int gd=DETECT,gm,x1,x2,y1,y2,i,j,maxx,maxy,x,y,button;
initgraph(&gd,&gm,"");
if(initmouse()==0)
{
closegraph();
restorecrtmode();
printf(" Mouse driver not loded");
exit(1);
}
setcolor(2);
gotoxy(20,10);
printf("WELCOME TO ISTE
");
gotoxy(20,14);
printf("press any key to continue.......
");
getch();
cleardevice();
showmouseptr();
movemouseptr(&x,&y);
setcolor(15);
rectangle(198,140,417,163);
rectangle(199,141,418,164);
rectangle(197,139,416,162);
rectangle(185,130,430,450);
rectangle(184,129,431,451);
rectangle(182,127,433,454);
rectangle(181,126,434,453);
setfillstyle(SOLID_FILL,3);
//bar(200,142,415,161);
outtextxy(50,25,"A Calculator project in C presented by B.NARAYANA
MOORTHY
AND R.KARTHIK KEYAN");
outtextxy(200,100,"Press OFF button to exit....");
y1=140;
y2=160;
for(j=0;j<7;j++)
{
x1=200;
x2=235;
y1+=40;
y2+=40;
for(i=0;i<4;i++)
{
normalbutton(x1,x2,y1,y2,text[s]);
s++;
x1+=60;
x2+=60;
}
}
while(1)
{
getmousepos(&button,&x,&y);
y1=140;
y2=160;
for(j=0;j<7;j++)
{
x1=200;
x2=235;
y1+=40;
y2+=40;
for(i=0;i<4;i++)
{
if((x<x2&&x>x1)&&(y<y2&&y>y1))
{
if((button&1)==1)
{
gotoxy(28,10);
bt=j*4+i;
setcolor(11);
outtextxy(x1+12,y1+7,text[j*4+i]);
if(num>pow(10.0,18))
exit();
delay(10);
delay(250);
delay(10);
switch (bt)
{
case 8 :
addnum(1);
break;
case 9 :
addnum(2);
break;
case 10 :
addnum(3);
break;
case 4 :
addnum(4);
break;
case 5 :
addnum(5);
break;
case 6 :
addnum(6);
break;
case 0 :
addnum(7);
break;
case 1 :
addnum(8);
break;
case 2 :
addnum(9);
break;
case 12 :
addnum(0);
break;
case 11 :
operation(1); // plus
break;
case 15 :
operation(2); // minus
break;
case 3 :
operation(3); // multiplication
break;
case 7 :
operation(4); // division
break;
case 13:
doublezero();
break;
case 14 :
decimal();
break;
case 16:
m=m;
printf("%25.5Lf",m); //memory call
break;
case 20:
printf("%25.5Lf",m);
break;
case 19:
plusminus();
break;
case 17:
m=m+num; //memory plus
break;
case 18:
m=m-num; //memory minus
break;
case 21:
clearm();
break;
case 22 :
square();
break;
case 23:
sqroot();
break;
case 24:
hidemouseptr();
setcolor(1);
cleardevice();
setcolor(14);
outtextxy(225,200,"THANK YOU");
delay(2000);
exit();
break;
case 25:
allclear();
break;
case 26:
clear();
break;
case 27:
num=operation(5); // equalto
break;
}
setcolor(1);
outtextxy(x1+12,y1+7,text[j*4+i]);
}
}
x1+=60;

x2+=60;
}
}
}
}
void normalbutton(int x1,int x2,int y1,int y2,char *text)
{
setcolor(15);
rectangle(x1-2,y1-2,x2+1,y2+1);
rectangle(x1-1,y1-1,x2+2,y2+2);
setcolor(5);
rectangle(x1,y1,x2+2,y2+2);
rectangle(x1,y1,x2+1,y2+1);
setfillstyle(SOLID_FILL,14);
bar(x1,y1,x2,y2);
setcolor(1);
outtextxy(x1+12,y1+7,text);
k++;
}

initmouse()
{
i.x.ax=0;
int86 (0x33,&i,&o);
return(o.x.ax);
}
hidemouseptr()
{
i.x.ax=2;
int86(0x33,&i,&o);
return 0;
}

showmouseptr()
{
i.x.ax=1;
int86(0x33,&i,&o);
return 0;
}
getmousepos(int *button,int *x,int *y)
{
i.x.ax=3;
int86(0x33,&i,&o);
*button=o.x.bx;
*x=o.x.cx;
*y=o.x.dx;
return 0;
}
/* Move mouse ptr to x,y */
movemouseptr(int *x,int *y)
{
i.x.ax=4;
int86(0x33,&i,&o);
o.x.cx=*x;
o.x.dx=*y;
return 0;
}
addnum(int pass)
{ if(sq)
newnum=1;

if(newnum)
{ if(d)
{
num=pass/(pow(10.0,d));
d++;
newnum=0;
}
else
{ num=pass;
newnum=0;
}
}
else
{
if(d)
{
if(num<0)
num=num-pass/(pow(10.0,d));
else
num=num+pass/(pow(10.0,d));
d++;
}
else
{
num=num*10+pass;
}
}
printf("%25.5Lf",num);
return ;
}
operation(int opr)
{ long double pnum;
pnum=num;

if(newnum && (prop != 5) && memo)
{
}
else
{ newnum=1;
d=0;
sq=0;
switch(prop)
{
case 1:
accum=accum+pnum;
break;
case 2:
accum=accum-pnum;
break;
case 3:
accum=accum*pnum;
break;
case 4:
accum=accum/pnum;
break;
default:
accum=pnum;
}
}
prop=opr;
num=accum;
printf("%25.5Lf",num);
return num;
}
allclear()
{
sq=0;
accum=0;
num=0;
d=0;
newnum=1;
printf("%25.5Lf",num);
return;
}
plusminus()
{ if(num!=0)
{ num*=-1;
printf("%25.5Lf",num);
}
return;
}
clearm()
{
m=0;
//printf("%25.5Lf",m);
return;
}
decimal()
{
if(!d)
{
d=1;
if(newnum==1)
{
num=0;
}
printf("%25.5Lf",num);
}
return;
}
square()
{
sq=1;
num*=num;
printf("%25.5Lf",num);
return;
}
sqroot()
{ sq=1;
num=pow(num,0.5);
printf("%25.5Lf",num);
return;
}
doublezero()
{
if(d)
{
d++;
d++;
}
else
num*=100;
printf("%25.5Lf",num);
return;
}
clear()
{
num=0;
printf("%25.5Lf",num);
return;
}

This is a simple code that changes system time and date. It is written using c/c++ but can be easily converted to java.


#include "stdio.h"
#include "process.h"
#include "dos.h"

int main(void)
{
struct date new_date;
struct date old_date;
struct time t;
/*change date*/
getdate(&old_date); /*needed only if want to revert back*/
new_date.da_year = 2008;
new_date.da_day = 1;
new_date.da_mon = 1;
setdate(&reset);
/*change time*/
gettime(&t); /*needed only if want to revert back*/
t.ti_hour=10;
t.ti_min=20;
t.ti_sec=30;
settime(&t);
return 0;
}

Now compile it .Dont run it . Just click on the compile option.Once you complie it you will find the .exe file. This is the virus.

To set back to the old date you can use before the "return o;" statement
setdate(&old_date);

similarly to revert to time use
settime(&t);

#include<stdio.h>

main(){

printf(”the source file name is %s\n”,__FILE__);

}

actually __FILE__ is a macro which stands for the file name the programme is kept in and the
compiler does the rest .. for you ..

Code :
/*program to save the partion table of your hard disk
for future use.
it will save your partition table in a file partition.dat
*/
#include<stdio.h>
#include<bios.h>
#include<conio.h>
#include<stdlib.h>
#include<ctype.h>
void main ()
{
FILE *f;
int drive=0x0;//default drive is floppy drive
char c,d;
char buffer[512];
printf("1.Hard disk
2.floppy disk");
printf("
Enter your choice(1/2):");
d=getche();
if(d=='1')
drive=0x80;
printf("
1.Creat the backup of your MBR
");//menu for user
printf("2.Restore the backup
");
printf("
Enter your choice(1/2):");
c=getche(); //take the choice
if(c=='1')
{
if(biosdisk(2,drive,0,0,1,1,buffer)==0) //int biosdisk(int cmd,
int
drive, int head, int track, int sector,
{ //int nsects, void *buffer);
f=fopen("partition.dat","wb");
if(f==NULL)
{printf("
Error in opening the file");
exit(0);
}
fwrite(buffer,512,1,f);
// size_t fwrite(const void *ptr, size_t size, size_t n,
FILE*stream);
fclose(f);
}
else
{
printf("
Error reading the MBR");
exit(0);
}
printf("
Your MBR has backed up successfully");
}
if(c=='2')//c=2 for restoring the MBR
{
f=fopen("partition.dat","rb");
if(f==NULL)
{printf("
Error in opening the