Someone

#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <string.h>

#define SERV_TCP_PORT 6543
#define SERV_HOST_ADDR "127.0.0.1"

main()
{

int sockfd, newsockfd, clilen, childpid, msglen;

char *str = ("Hello!");

struct sockaddr_in cli_addr, serv_addr;

if (sockfd = socket(AF_INET, SOCK_STREAM, 0) < 0)
        printf("cannot open socket");

bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
serv_addr.sin_port = htons(SERV_TCP_PORT);

if (bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0)
        printf("cant open bind address!");

listen (sockfd, 5);

for ( ; ; ) {

clilen = sizeof(cli_addr);
newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);

                 if (newsockfd < 0)
                        printf("server: accept error");

                if ( (childpid = fork()) < 0)
                        printf("server: fork error");

// needs something to do, make it send a string or something

msglen = strlen(str);

                if (send (newsockfd, str, msglen, 0) < 0){
                        printf("Failed to send string!");
                }
                else printf("String sent to a client!");
}
}