Endianess revertor.

#include<iostream>
#include<cstdio>

using namespace std;

int main(int argc, char * argv[]){
	if(2==argc){
		int x = atoi(argv[1]);
		cout << "Origional: " << x << endl;
		//cout << "Big-endian: " << hex << uppercase << x << endl;
		printf("Big-endian: %#010X\n",x);
		int s=0;
		for(int i=0;i<4;i++){
			int byte=x&0xff;
			int shifted=byte<<(3-i)*8;
			s|=shifted;
			x>>=8;
		}
		//cout << "Little-endian: " << hex << uppercase << s << endl;
		printf("Little-endian: %#010X\n",s);
		cout << "Converted: " << s << endl;
	} else{
		cerr << "usage: " << argv[0] << " integer" << endl;
	}
	return 0;
}