#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "socket.h"
#include "uint16.h"

int socket_local4(int s,char ip[4],u16 *port)
{
	struct sockaddr_in sa;
	unsigned int dummy = sizeof sa;
	
	if (getsockname(s,(struct sockaddr *) &sa,&dummy) == -1) return -1;
	memcpy(ip,(char *) &sa.sin_addr,4);
	u16_unpack_big((char *) &sa.sin_port,port);
	return 0;
}