saritha sinha wrote:
"if the code was written entirely in C it will be easy to understand and debug it later on by other users (my impression)."

Andy countered:
"the use of 'C' in itself does not guarantee readability, understandability, maintainability, etc, etc. It is very easy indeed to write unreadable, incomprehensible, unmaintainable 'C'!"

I've just come across this site, which demonstrates my point admirably:
http://mindprod.com/unmain.html