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2 Lexical conventions [lex] 2 Lexical Conventions [lexical] The text of the program is kept in units called source files in this International Standard. A source file together with all the headers (17.4.1.2) and source files included (16.2) via the preprocessing directive #include, less any source lines skipped by any of the conditional inclusion (16.1) preprocessing directives, is called a translation unit. [Note: a C program need not all be translated at the same time.] textual program is Save the unit called the source file in this international standard. A source file is combined with the source text line that contains (17.4.1.2) and source files by preprocessing instruction #include (16.2) to exclude the source text line that contains (16.1) pre-processing instructions, referred to as a translation unit. . [Note: The C program does not need to be translated at the same time. ] [Note: previously translated translation units and instantiation units can be preserved individually or in libraries The separate translation units of a program communicate (3.5) by (for example) calls to functions whose identifiers have external linkage, manipulation of objects whose identifiers have. External Linkage, or Manipulation Of Data Files. Translated and the LINKED TO Produce An Executable Program (3.5).] [Note: The translation unit that has been translated can be saved alone or in the library. . The translation unit separated in a program, the object with an external connection identifier, or the operation data file is used to communicate with each other, or the operation data file is performed by (eg) the call to the function of the external connection identifier. The translation unit can be translated separately, and then connect to an executable program.
