K&R vs. ANSI

To anyone that can answer this:
Are the differences great between the ANSI and K&R standard? What are some of the major differences between them??

K&R isn't a standard in the same way that ANSI is, it is more like a style of coding. The Kernighan & Ritchie style is used throughout their well-known book "The C Programming Language". If you want to see K&R style, buy the book or run your program through "indent" with the "-kr" option. If you want to know if your program meets strict ANSI requirements run it through gcc with the "-ansi" flag.