printf in c
/* printf example */
#include <stdio.h>
int main()
{
printf ("Characters: %c %c n", 'a', 65);
printf ("Decimals: %d %ldn", 1977, 650000L);
printf ("Preceding with blanks: %10d n", 1977);
printf ("Preceding with zeros: %010d n", 1977);
printf ("Some different radices: %d %x %o %#x %#o n", 100, 100, 100, 100, 100);
printf ("floats: %4.2f %+.0e %E n", 3.1416, 3.1416, 3.1416);
printf ("Width trick: %*d n", 5, 10);
printf ("%s n", "A string");
return 0;
}