K&R

From the surnames of the book's authors, Brian Kernighan and Dennis Ritchie.

K&R

1. The book The C Programming Language, which described the first edition of the C language.

• Eric S[teven] Raymond, editor (2003 December 29), “K&R”, in The Jargon File, version 4.4.7.

K&R (plural not attested)

1. Initialism of kidnap and ransom.
   • 2005, Paul Carter, Don't Tell Mum I Work on the Rigs, Crows Nest: Allen and Unwin, page 94:

     The group operating where we were was called the "Abu Sayyaf" and specialised in K&R (kidnap and ransom), usually of tourists who would finish up beheaded on TV.

• RK