C++ str_fmt() code example
Example: C++ string format ctime
#include <ctime>
#include <iostream>
using namespace std;
int main()
{
time_t curr_time;
tm * curr_tm;
char date_string[100];
char time_string[100];
time(&curr_time);
curr_tm = localtime(&curr_time);
strftime(date_string, 50, "Today is %B %d, %Y", curr_tm);
strftime(time_string, 50, "Current time is %T", curr_tm);
cout << date_string << endl;
cout << time_string << endl;
return 0;
}