For example, AlphaServer 2000 . The Tru64 UNIX Publications group cannot respond to system problems or technical support inquiries. Please address technical questions to your local system vendor or to the appropriate Compaq technical support office. Information provided with the software media explains how to send problem reports to Compaq. Chapter 1 Lexicon C, like any language, uses a standard grammar and character set.
C compilers interpret source code as a stream of characters from the source file.
These characters are grouped into tokens , which can be punctuators, operators, identifiers, keywords, string literals, or constants. Tokens are the smallest lexical element of the language. Comments are also considered white space. Section 1.1 lists all the white space characters. An important concept throughout C is the idea of a compilation unit , which is one or more files compiled by the compiler.