How can I update the code, so $2$ people on different computers $($not terminals$)$ can communicate with each other? Thank you!

client.c

#include

#include

#include

#include

#include

#define PORT $8080$

#define BUFFER$\_$SIZE $1024$

int main$()\{$

int sock $=0$;

struct sockaddr$\_$in serv$\_$addr;

char buffer$[$BUFFER$\_$SIZE$]=\{0\}$;

$//$ Create socket

if $(($sock $=$ socket$($AF$\_$INET, SOCK$\_$STREAM, $0))<0)\{$

printf$("$

Socket creation error

$")$;

return $-1$;

$\}$

serv$\_$addr.sin$\_$family $=$ AF$\_$INET;

serv$\_$addr.sin$\_$port $=$ htons$($PORT$)$;

$//$ Convert IP address to binary format

if $($inet$\_$pton$($AF$\_$INET, $"127\mathrm{.}0\mathrm{.}0\mathrm{.}1",$ &serv$\_$addr.sin$\_$addr$)<=0)\{$

printf$("$

Invalid address$/$ Address not supported

$")$;

return $-1$;

$\}$

$//$ Connect to server

if $($connect$($sock$,($struct sockaddr $*)$&serv$\_$addr, sizeof$($serv$\_$addr$))<0)\{$

printf$("$

Connection Failed

$")$;

return $-1$;

$\}$

printf$("$Connected to server!

$")$;

while $(1)\{$

$//$ Send message to server

printf$("$You: $")$;

fgets$($buffer$,$ BUFFER$\_$SIZE, stdin$)$;

send$($sock$,$ buffer, strlen$($buffer$),0)$;

$//$ Receive message from server

memset$($buffer$,0,$ BUFFER$\_$SIZE$)$;

int valread $=$ read$($sock$,$ buffer, BUFFER$\_$SIZE$)$;

if $($valread $<=0)$ break;

printf$("$Server: $\%$s

$",$ buffer$)$;

$\}$

close$($sock$)$;

return $0$;

$\}$

server.c

#include

#include

#include

#include

#include

#define PORT $8080$

#define BUFFER$\_$SIZE $1024$

int main$()\{$

int server$\_$fd$,$ new$\_$socket;

struct sockaddr$\_$in address;

int addrlen $=$ sizeof$($address$)$;

char buffer$[$BUFFER$\_$SIZE$]=\{0\}$;

$//$ Create socket

if $(($server$\_$fd $=$ socket$($AF$\_$INET, SOCK$\_$STREAM, $0))==0)\{$

perror$("$Socket failed"$)$;

exit$($EXIT$\_$FAILURE$)$;

$\}$

$//$ Bind the socket to the network address and port

address.sin$\_$family $=$ AF$\_$INET;

address.sin$\_$addr.s$\_$addr $=$ INADDR$\_$ANY;

address.sin$\_$port $=$ htons$($PORT$)$;

if $($bind$($server$\_$fd$,($struct sockaddr $*)$&address, sizeof$($address$))<0)\{$

perror$("$Bind failed"$)$;

close$($server$\_$fd$)$;

exit$($EXIT$\_$FAILURE$)$;

$\}$

$//$ Listen for incoming connections

if $($listen$($server$\_$fd$,3)<0)\{$

perror$("$Listen failed"$)$;

close$($server$\_$fd$)$;

exit$($EXIT$\_$FAILURE$)$;

$\}$

printf$("$Waiting for a connection...

$")$;

$//$ Accept a connection

if $(($new$\_$socket $=$ accept$($server$\_$fd$,($struct sockaddr $*)$&address, $($socklen$\_$t$*)$&addrlen$))<0)\{$

perror$("$Accept failed"$)$;

close$($server$\_$fd$)$;

exit$($EXIT$\_$FAILURE$)$;

$\}$

printf$("$Connected to client!

$")$;

while $(1)\{$

$//$ Receive message from client

memset$($buffer$,0,$ BUFFER$\_$SIZE$)$;

int valread $=$ read$($new$\_$socket, buffer, BUFFER$\_$SIZE$)$;

if $($valread $<=0)$ break;

printf$("$Client: $\%$s

$",$ buffer$)$;

$//$ Send message to client

printf$("$You: $")$;

fgets$($buffer$,$ BUFFER$\_$SIZE, stdin$)$;

send$($new$\_$socket, buffer, strlen$($buffer$),0)$;

$\}$

close$($new$\_$socket$)$;

close$($server$\_$fd$)$;

return $0$;

$\}$