#include <iostream>using namespace std;#include <netinet/in.h>void showbytes(void* addr, int size){	unsigned char* p=(unsigned char*)addr;	for(int i=0; i<size; i++)		cout << hex << (int)*p++ << ' ';	cout << endl;}int main(){	int n=0x1;	showbytes(&n, sizeof(n));	n = htonl(n);	showbytes(&n, sizeof(n));	cout << "n=" << n << endl;	n = ntohl(n);	cout << "n=" << n << endl;}