Programming Language


C (programminglanguage)
Full NameC
Short NameC
DescriptionC is used to write software where speed and flexibility is important, such as in embedded systems or high-performance computing.

What is C?

C is a general-purpose, high-level programming language designed for system programming and embedded systems. It was originally developed by Dennis Ritchie at Bell Labs in the 1970s and is widely used for developing operating systems, device drivers, compilers, and other software that requires low-level control over hardware.

What are the features of C?

C is a simple, powerful, and flexible language that offers a wide range of features, including:

  • Low-level memory manipulation and direct access to hardware
  • Structured programming constructs (such as loops and conditional statements)
  • Modular programming using functions and libraries
  • Pointers and dynamic memory allocation
  • Standardized syntax and a rich set of operators
  • Efficient execution and compilation

What are some popular applications of C?

C is widely used for developing a variety of applications, including:

  • Operating systems, such as Unix, Linux, and Windows
  • Device drivers for hardware, such as printers and network cards
  • Embedded systems, such as microcontrollers and real-time systems
  • Compilers and other software development tools
  • Graphics and gaming applications
  • Database systems and other large-scale software applications

How does C compare to other programming languages?

C is often compared to other programming languages, such as Java, Python, and C++. Some of the key differences between C and other languages include:

  • C is a low-level language that provides direct access to hardware and memory, whereas higher-level languages like Java and Python provide abstractions that hide those details from the programmer.
  • C is a statically typed language, meaning that the type of a variable must be specified at compile time, whereas dynamically typed languages like Python and JavaScript allow variables to change type at runtime.
  • C++ is an extension of C that adds object-oriented programming constructs, whereas C is a procedural language that does not provide native support for objects.
  • C is a relatively simple language with a small set of core features, whereas languages like Python and Java have larger standard libraries and more complex syntax.

What are some resources for learning C?

There are many resources available for learning C, including:

  • Online tutorials and courses, such as those on Codeacademy, Coursera, and Udemy
  • Books, such as “The C Programming Language” by Dennis Ritchie and Brian Kernighan
  • Online communities, such as the C programming subreddit and Stack Overflow
  • IDEs and development environments, such as Eclipse and Visual Studio

What are some common errors that beginners make when learning C?

Some common errors that beginners make when learning C include:

  • Forgetting to include header files for standard library functions and structures
  • Improperly declaring variables or not initializing them before use
  • Not checking the return value of functions that may fail
  • Failing to properly allocate or deallocate memory using malloc() and free()
  • Using uninitialized or null pointers
  • Overwriting memory outside of allocated areas (buffer overflow)

What are some best practices for writing C code?

Some best practices for writing C code include:

  • Always include header files for standard library functions and structures
  • Declare variables and functions at the beginning of a block, and initialize variables before use
  • Check the return value of functions that may fail, and handle errors gracefully
  • Avoid using global variables whenever possible
  • Use meaningful variable and function names that accurately describe their purpose
  • Always free dynamically allocated memory when it is no longer needed
  • Write code that is portable across different hardware and operating systems by avoiding hardware-specific code and using standard library functions whenever possible.
Snippet from Wikipedia: The C Programming Language

The C Programming Language (sometimes termed K&R, after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie, the latter of whom originally designed and implemented the C programming language, as well as co-designed the Unix operating system with which development of the language was closely intertwined. The book was central to the development and popularization of C and is still widely read and used today. Because the book was co-authored by the original language designer, and because the first edition of the book served for many years as the de facto standard for the language, the book was regarded by many to be the authoritative reference on C.

 #include <stdio.h>
 int main()
    printf("Hello, world!\n");
    return 0;

Source: Wikibooks

GitHub Topics

C is a programming language designed by Dennis Ritchie at Bell Labs. C is very widely used, straightforward, and can be compiled to a number of platforms and operating systems. C is an imperative language, with a small number of keywords and a large number of mathematical operators. C is also a very low level programming language, which means it can communicate directly with hardware.

## ToDo ##

  • Data types
  • Operators
  • Control structures
  • Functions
  • Arrays
  • Pointers
  • Strings
  • Structures
  • Unions
  • Input/output operations
  • Standard libraries
  • Preprocessor directives
  • Memory management
  • Error handling
  • File handling
  • Dynamic memory allocation
  • Bit manipulation
  • Inline functions
  • Recursion
  • Modular programming

See also: Programming Languages

  • dev/c.txt
  • Last modified: 2023/05/01 17:22
  • by Henrik Yllemo