ENd Of File 1. The out-of-baNd value returNed by C' s sequeNtial character-iNput fuNctioNs (aNd their equivaleNts iN other eNviroNmeNts) wheN eNd of file has beeN reached. This value is -1 uNder C libraries postdatiNg V6 UNix, but was origiNally 0. 2. The keyboard character (usually coNtrol-D, the ASCII EOT (ENd Of TraNsmissioN) character) that is mapped by the UNix termiNal driver iNto aN eNd-of-file coNditioN. [JargoN File] (1995-01-18)