#include <arpa/inet.h>
#include <stdio.h>
#include<unistd.h>

#define error(a) do {} while(0)

// this is main function
int main(
	// arguments:
		){
       int my_soket = socket(AF_INET, SOCK_STREAM, 0)
	       ;
       // https://stackoverflow.com/questions/24194961/how-do-i-use-setsockoptso-reuseaddr
       // Source - https://stackoverflow.com/a
// Posted by Chnossos, modified by community. See post 'Timeline' for change history
// Retrieved 2025-12-10, License - CC BY-SA 4.0

if (setsockopt(my_soket, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof(int)) < 0)
    error("setsockopt(SO_REUSEADDR) failed");

        struct sockaddr_in serv_addr, cli_addr;
      
       bzero((char *) &serv_addr, sizeof(serv_addr));
     portno = atoi(argv[1]);
     serv_addr.sin_family = AF_INET;
     serv_addr.sin_addr.s_addr = INADDR_ANY;
     serv_addr.sin_port = htons(portno);
     if (bind(my_soket, (struct sockaddr *) &serv_addr,
              sizeof(serv_addr)) < 0) 
              error("ERROR on binding");



}