Write a C program for PC to PC communication.

FILE TRANSFER 

Transmitter : 

#include<stdio.h>

#include<conio.h>

#include<bios.h>

#include<string.h>

#include<stdlib.h>

#include<process.h>

#define setting (0x80|0x02|0x00|0x00)

#define com1 0

void main(int argc,char *argv[])

{

char str[15],ch='\0';

int i=0;

FILE *fp;

clrscr();

strcpy(str,argv[1]);

i=strlen(str);

str[i]='\0';

if(argc!=2)

{

printf("error");

getch();

exit(1);

}

i=0;

bioscom(0,setting,com1);

while(str[i]!='\0')

{

bioscom(1,str[i],com1);

i++;

}

bioscom(1,'\0',com1);

fp=fopen(argv[1],"r");

while(!feof(fp))

{

    ch=fgetc(fp);

    bioscom(1,ch,com1);

printf("%c",ch);

}

fclose(fp);

bioscom(1,'\0',com1);

getch();

}

Receiver : 

//receiver

#include<stdio.h>

#include<conio.h>

#include<bios.h>

#include<dos.h>

#include<process.h>

#include<string.h>

#include<stdlib.h>

#define setting (0x80 | 0x02 | 0x00 | 0x00)

#define com1 0

void main()

{

int i=0;

char ch='\0',fr[20];

FILE *fp;

clrscr();

bioscom(0,setting,com1);

flushall();

do

{

ch=bioscom(2,0,0);            ; for receive no data direct receive

if(ch=='\0')

break;

if(ch!=0x20)

{

printf("%c",ch);

fr[i]=ch;

i++;

}

}while(1);

fr[i]='\0';

fp=fopen(fr,"w");

do

{

ch=bioscom(2,0,0);

if(ch=='\0')

break;

printf("%c",ch);

fputc(ch,fp);

}while(1);

getch();

}

**********************OUTPUT***********************

Trasnmitter :

  Hardware lab Experiment

Receiver :

  Hardware lab Experiment