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— | dev:c [2023/05/01 17:22] (current) – [Hello World] Henrik Yllemo | ||
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+ | <button type=" | ||
+ | ====== C ====== | ||
+ | |||
+ | <data programminglanguage> | ||
+ | Full Name: C | ||
+ | Short Name: C | ||
+ | Description: | ||
+ | Company: Unkown | ||
+ | Web: No | ||
+ | Mobile: No | ||
+ | Enterprise: Yes | ||
+ | Embedded : Yes | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | <panel title=" | ||
+ | C is a general-purpose, | ||
+ | </ | ||
+ | <panel title=" | ||
+ | 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 | ||
+ | </ | ||
+ | <panel title=" | ||
+ | C is widely used for developing a variety of applications, | ||
+ | |||
+ | * 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 | ||
+ | </ | ||
+ | <panel title=" | ||
+ | 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. | ||
+ | </ | ||
+ | <panel title=" | ||
+ | There are many resources available for learning C, including: | ||
+ | |||
+ | * Online tutorials and courses, such as those on Codeacademy, | ||
+ | * Books, such as "The C Programming Language" | ||
+ | * Online communities, | ||
+ | * IDEs and development environments, | ||
+ | </ | ||
+ | <panel title=" | ||
+ | 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) | ||
+ | </ | ||
+ | <panel title=" | ||
+ | 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. | ||
+ | </ | ||
+ | </ | ||
+ | |||
+ | {{wp> | ||
+ | < | ||
+ | ===== Hello World ===== | ||
+ | |||
+ | <sxh c> | ||
+ | # | ||
+ | |||
+ | int main() | ||
+ | { | ||
+ | printf(" | ||
+ | return 0; | ||
+ | } | ||
+ | </ | ||
+ | <WRAP column right>< | ||
+ | |||
+ | </ | ||
+ | |||
+ | <callout type="" | ||
+ | * https:// | ||
+ | |||
+ | C is a programming language designed by Dennis Ritchie at Bell Labs. C is very widely used, straightforward, | ||
+ | </ | ||
+ | |||
+ | <callout title=" | ||
+ | * https:// | ||
+ | * https:// | ||
+ | </ | ||
+ | |||
+ | |||
+ | === ## ToDo ## === | ||
+ | * Data types | ||
+ | * Operators | ||
+ | * Control structures | ||
+ | * Functions | ||
+ | * Arrays | ||
+ | * Pointers | ||
+ | * Strings | ||
+ | * Structures | ||
+ | * Unions | ||
+ | * Input/ | ||
+ | * Standard libraries | ||
+ | * Preprocessor directives | ||
+ | * Memory management | ||
+ | * Error handling | ||
+ | * File handling | ||
+ | * Dynamic memory allocation | ||
+ | * Bit manipulation | ||
+ | * Inline functions | ||
+ | * Recursion | ||
+ | * Modular programming | ||
+ | |||
+ | |||
+ | See also: [[dev: | ||
+ | |||
+ | {{tag> |