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

#include <stdio.h>
#include <fcntl.h>

int main() {

// def. socket
// bind socket
// listen on socket
    struct sockaddr_in serverAddress;

    int serverSocket = socket(PF_INET, SOCK_STREAM, 0);

    serverAddress.sin_family = AF_INET;
    serverAddress.sin_port = htons(12345);
    serverAddress.sin_addr.s_addr = inet_addr("127.0.0.1"); // localhost

    bind(serverSocket, &serverAddress, sizeof(serverAddress));

    listen(serverSocket, 100);

    while(1) {
        usleep(50000);
    }

    return 0;
}