chat c code

Server :-

#include<stdio.h>

#include<string.h>

#include<sys/stat.h>

#include<sys/types.h>

#include<sys/socket.h>

#include<netinet/in.h>

#include<arpa/inet.h>

main()

{

    struct sockaddr_in client,server;

    int s,n;

    char buffer1[100],buffer2[100];

    s=socket(AF_INET,SOCK_DGRAM,0);

    server.sin_family=AF_INET;

    server.sin_port=2000;

    server.sin_addr.s_addr=inet_addr("127.0.0.1");

    bind(s,(struct sockaddr *)&server,sizeof(server));

    printf("\nServer ready,waiting for client....\n");

    n=sizeof(client);

    while(1)

    {

        recvfrom(s,buffer1,sizeof(buffer1),0,(struct sockaddr *) &client,&n);

        if(!(strcmp(buffer1,"end")))

            break;

        printf("\nClient:%s",buffer1);

        printf("\nServer:");

        gets(buffer2);

        sendto(s,buffer2,sizeof(buffer2),0,(struct sockaddr *) &client,n);

             

    }

}

Client

#include<stdio.h>

#include<string.h>

#include<sys/stat.h>

#include<sys/types.h>

#include<sys/socket.h>

#include<netinet/in.h>

#include<arpa/inet.h>

main()

{

    struct sockaddr_in client,server;

    int s,n;

    char b1[100],b2[100];

    s=socket(AF_INET,SOCK_DGRAM,0);

    server.sin_family=AF_INET;

    server.sin_port=2000;

    server.sin_addr.s_addr=inet_addr("127.0.0.1");

    printf("\nClient ready....\n");

    n=sizeof(server);

    while(1)

    {

        printf("\nClient:");

        gets(b2);

        sendto(s,b2,sizeof(b2),0,(struct sockaddr *) &server,n);

        if(strcmp(b2,"end")==0)

            break;

        recvfrom(s,b1,sizeof(b1),0,NULL,NULL);

        printf("\nServer:%s",b1);

    }

}