Applications of C
System Software: C-designed system software includes operating systems and compilers. The C-only UNIX Kernel is an example. Popular desktop operating systems like Windows, macOS, and Linux are partially written in C. Objective-C, used in macOS, came from C. The performance and portability of C make it a popular choice for Linux, parts of Windows, and Google Android. The kernel of practically all operating systems is written in C. Network devices can be designed using the C programming language.
Compilers: Compilers can be designed using the C programming language. C can be used to develop compilers that translate input from other languages into machine-dependent, lower-level languages.
Application Software: Databases and spreadsheets are examples of application software that may be created with C. Numerous well-known programs, such as database management systems (including Microsoft SQL Server, Oracle, and MySQL) and web browsers (like Google Chrome and Mozilla Firefox), are partially written in C. Numerous fields, including as computational linguistics, database systems, graphics, numerical analysis, and scientific applications, can benefit from the use of C. C is used to write large-application packages such as database programs, graphics libraries, and windowing packages. Because of its features, straightforward syntax, and portability, it is the language of choice for programmers working on corporate and industrial applications.
Games and Graphical Applications: Applications involving graphics, such as computer and mobile games, can be created with C. Using Adobe Photoshop as an example, it can be used to build graphical user interfaces (GUIs).
Mathematical and Scientific Applications: Any type of mathematical equation can be evaluated with C. A section of the C math library defines and maintains standard mathematical functions. Sample function libraries for domains such as statistics and root finding can be created in C, which is appropriate for scientific applications.
Embedded Systems: In embedded systems, C is utilised.
Web Servers and Networking: C is used to implement a lot of networking protocols and web servers.
Preprocessor directives, global declarations, comments, and the main function section with declarations and executable components are some examples of the components that make up C programs. Standard library functions like printf() and scanf() are frequently used to handle input and output operations. Constants, variables, operators, expressions, arrays, strings, pointers, structures, and files are just a few of the data types that can be worked with in C. Function pointers, command-line arguments, dynamic memory allocation, and multithreading are examples of advanced subjects. Additionally, secure C programming techniques are highlighted.
C, a general-purpose, middle-level language, is used in operating systems, compilers, application software, databases, graphics, games, and embedded devices because to its efficiency, portability, power, and flexibility.