How to repeat a char using printf?

Question

I\'d like to do something like printf(\"?\", count, char) to repeat a character count times.

What is the right format-string to accomplish

Answer 1

If you limit yourself to repeating either a 0 or a space you can do:

For spaces:

printf("%*s", count, "");

For zeros:

printf("%0*d", count, 0);