K&R is a common nickname for the book "The C programming language" by Kernighan and Ritchie, and a reference to the authors: https://en.m.wikipedia.org/wiki/T

K&R is a common nickname for the book "The C programming language" by Kernighan and Ritchie, and a reference to the authors: https://en.m.wikipedia.org/wiki/The_C_Programming_Language https://en.m.wikipedia.org/wiki/The_C_Programming_Language