As a result, C code is suitable for many systems-programming applications that had traditionally been implemented in assembly language.
Despite its low-level capabilities, the language was designed to encourage machine-independent programming. A standards-compliant and portably written C program can be compiled for a very wide variety of computer platforms and operating systems with minimal change to its source code... displayed 300 characters
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The language has become available on a very wide range of platforms, from embedded microcontrollers to supercomputers.
Characteristics
As an Algol-based language, C has the following characteristics:
A procedural programming paradigm, with facilities for structured programming
Lexical variable scope and recursion
A static type system which prevents many meaningless operations
Function parameters are generally passed by value (pass-by-reference is achieved in C by explicitly passing pointer values)
Heterogeneous aggregate data types (struct in C) which allow related data elements to be combined and manipulated as a unit
A small set (around 30) of reserved keywords
C also has the following specific properties:
Weak typing ? for instance, characters can be used as integers (similar to assembly)
Low-level access to computer memory via machine addresses and typed pointers
Function pointers allow for a rudimentary form of closures and runtime polymorphism
Array indexing as a secondary notion, defined in terms of pointer arithmetic
A standardized C preprocessor for macro definition, source code file inclusion, conditional compilation, etc... displayed 300 characters
