K&R
Kernighan and Ritchie. Brian Kernighan and Dennis Ritchie's book, cited below, describing the basis of K&R C, especially the classic and influential first edition.
Synonyms: White Book, Old Testament. See also New Testament.
[Brian Kernighan, Dennis Ritchie, "The C Programming Language", Prentice-Hall 1978; ISBN 0-113-110163-3].