#include <fstream.hfa>
#include <strstream.hfa>

int main() {
    enum { size = 256 };
    char buf[size];
    ostrstream osstr = { buf, size };
    int i = 3, j = 5, k = 7;
    double x = 12345678.9, y = 98765.4321e-11;

    osstr | i | hex(j) | wd(10, k) | sci(x) | unit(eng(y));
    write( osstr );
    printf( "%s", buf );
    sout | i | hex(j) | wd(10, k) | sci(x) | unit(eng(y));

    // char buf2[] = "12 14 15 3.5 7e4";
    // istrstream isstr = { buf2 };
    // isstr | i | j | k | x | y;
    // sout | i | j | k | x | y;
}