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#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/inet.h>
#include<fcntl.h>
#include<string.h>
main()
{
int sockfd,fd1, length,i;
char buf[100]; /* We will use this buffer for communication */
struct sockaddr_in sa_addr,cl_addr;
sockfd=socket(AF_INET,SOCK_STREAM,0);
sa_addr.sin_family=AF_INET;
sa_addr.sin_addr.s_addr=INADDR_ANY;
sa_addr.sin_port=htons(6000);
memset(sa_addr.sin_zero, ' ', sizeof sa_addr.sin_zero);
i=bind(sockfd,(struct sockaddr *)&sa_addr,sizeof(sa_addr));
printf("test %d%dn",sockfd,i);
listen(sockfd,5);
length=sizeof(cl_addr);
fd1=accept(sockfd, (struct sockaddr *) &cl_addr,&length);
struct student
{
int roll;
char name[20];
float marks[5];
}s[5];
float sum=0,cgpa;
int k,j;
int r_no;
char st_name[30];
recv(fd1, &s, 250, 0);
recv(fd1, &r_no,4,0 );
printf("nWelcome to server");
for(k=0;i<3;i++)
{
if(s[k].roll == r_no)
{
for(j=0;j<5;j++)
{
sum = sum + s[k].marks[j];
}
strcpy(st_name,s[k].name);
break;
}
}
cgpa = sum / 5; //500 is the total
send(fd1, st_name, 30, 0);
send(fd1, &cgpa, 4,0);
printf("nIn server donen");
close(fd1);
}
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