Print % using printf in C

Problem:

How can you print % using the printf function? (Remember % is used as a format specifier!!!)
Very Simple, following cases are examples


Cheers!!
Jack

C - %n format specifier in printf

Well, what does the format specifier %n of printf function do?

Explanation:
Print nothing, but write number of characters successfully written so far into an integer pointer parameter.

Example:

Output:
blah blah
val = 38

Cheers!
Jack