infix to postfix

I HAVE THE CODE FOR CONVERSION OF INFIX NOTATION INTO PREFIX AND POSTFIX NOTATION.
IF YOU WANT THIS CODE IN C LANGUAGE THEN CONTACT ME AT
MOBILE NO. 9305084627
EMAIL ID . amitsaxena56@yahoo.com
ADDRESS: AMIT SAXENA
NEAR MATHUR ATTA CHAKKI
MAHARAJNAGAR LAKHIMPUR-KHERI 262701