#include <stdio.h>
#include <iostream>
using namespace std;

int main()
{
char cid[255];
sprintf(cid,"integer(%%d)  :%d", 2011);
cout << cid <<endl;
sprintf(cid,"integer(%%6d) :%6d", 2011);
cout << cid <<endl;
sprintf(cid,"floating  %%f      :123456789A", -3.141529678);
cout << cid <<endl;
sprintf(cid,"floating(%%10.5f)  :%10.5f", -3.141529678);
cout << cid <<endl;
sprintf(cid,"floating(%%-10.5f) :%-10.5f", -3.141529678);
cout << cid <<endl;
sprintf(cid,"floating(%%-10.8f) :%-10.8f", -3.141529678);
cout << cid <<endl;
sprintf(cid,"%s","txt?");
cout << cid <<endl;
char string[10]={"test"};
sprintf(cid,"%s",string);
cout << cid <<endl;
//
char string[13][10]={"test","Jan","Feb","Mar","Apr","May","Jun",
  "Jul","Aug","Sep","Oct","Nov","Dec"};
for( int month=1; month<13; month++) {
  sprintf(cid,"%s, 2010",string[month]);
  cout << cid <<endl;
}
// char*
char* str = "Hellow";
cout<<"using pointer : "<<str<<endl;
sprintf(str,"string : %s","txt?");
cout<<str<<endl;
//----------------
return 0;
}

----------------------compile---------------------------------
$ g++ sprintf.cxx

-----------------------------output--------------------------
$ ./a.exe
integer(%d)  :2011
integer(%6d) :  2011
floating  %f      :123456789A
floating(%10.5f)  :  -3.14153
floating(%-10.5f) :-3.14153
floating(%-10.8f) :-3.14152968
txt?
test
Jan, 2010
Feb, 2010
Mar, 2010
Apr, 2010
May, 2010
Jun, 2010
Jul, 2010
Aug, 2010
Sep, 2010
Oct, 2010
Nov, 2010
Dec, 2010
using pointer : Hellow
string : txt?