SOME CONVERSION SPECIFIERS

• p

         —Displays pointer value (address)

• n

         —Stores number of characters already output by current printf statement.
         —Takes a pointer to an integer as an argument.
         —Nothing printed by a %n specification.
         —Every printf call returns a value.

1.         Number of characters output
2.         Negative number if error occurs

• %

         —Prints a percent sign 
         —%%