client.c

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


int main(int argc, char* argv[])
{
    int fd;
    struct sockaddr_in addr;

    
    // create socket
    if ( (fd = socket(PF_INET, SOCK_STREAM, 0)) < 0 ) {
        perror("socket");
        exit(EXIT_FAILURE);
    }

    // connect to server
    memset(&addr, 0, sizeof(addr));
    addr.sin_family      = PF_INET;
    addr.sin_addr.s_addr = inet_addr("127.0.0.1");
    addr.sin_port        = htons(8983);
    
    if ( connect(fd, (struct sockaddr*)&addr, sizeof(addr)) < 0 ) {
        perror("connect");
        exit(EXIT_FAILURE);
    }

    sleep(1);

    // close
    close(fd);

    return 0;
}