As well as the majority of obligatory languages in ALGOLNOY traditions, language C has services for the structured programming and allows lexical variable area and recursion while the static system of type prevents many inadvertent operations. In C all doable the code contains within functions. Function parametres always pass value. Pass by the reference is reached in C obviously fleeting values of the index. Heterogeneous cumulative types of data (struct) allow the connected elements given to be united and to cope as unit. In language C the initial text of the program has a free format, using a semicolon as the terminator statements (not a divider).

Language C also shows following more certain features:



Function definition non-nestable though variables can be hidden in the enclosed blocks

Partially weak printing; for example, characters can be used as integers
Access of low level to machine memory, transforming machine addresses in the printed indexes

The indexes of function considering the elementary form of closings and polymorphism during performance

The set bringing in the index as secondary concept, defined in terms of arithmetics of the index

Preprocessor for macro-definition, inclusions of a file of the initial text, and conditional translation

Difficult functionality, such as input a/conclusion, processing of lines, and the mathematical functions consistently delegated to routines of library

Approximately 30 saved keywords

The syntax dispersing from ALGOL

Two consecutive equal signs are checked on equality

Syntactically distinct from logic operators and and | (used B for both values)

The correct operand if the result can be defined at the left one (a short circuit estimation) is never estimated

Considerable quantity of compound operators, such as + =, ++, etc.