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

int main(void)
{
    int fd, fd2;
    int flag = 1;
    struct sockaddr_in server, client;
    size_t bytes;
    char buf[BUFSIZ];
    FILE *file;

    fd = socket(PF_INET, SOCK_STREAM, 0);
    setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &flag, sizeof(flag));
    server.sin_port = htons(1234);
    server.sin_family = AF_INET;
    server.sin_addr.s_addr = htonl(INADDR_ANY);
    bind(fd,(struct sockaddr *) &server, sizeof(server));
    listen(fd, 1);

    fd2 = accept(fd, (struct sockaddr *) &client, &bytes);
    file = fdopen(fd2, "r");
    fgets(buf, BUFSIZ - 1, file);

    printf("%s", buf);
    close(fd2);

    return 0;
}