Prerequisite – C Language Introduction
The C programming language has various versions: C89/C90, C99, C11, and C18.
C89/C90: Released in 1989/1990. It introduced key language features.
C99: This brought new features like variable-length arrays and complex numbers.
C11: This added _Generic, static_assert, and library updates.
C18: It is latest standard, with clarifications and updates.
Advantages:
1. Efficiency: C is fast and suitable for high-performance apps.
2. Portability: C runs on many platforms.
3. Low-level access: C is Ideal for systems and OS development.
4. Large user community: C has various resources and libraries.
Disadvantages:
1. Steep learning curve: Complex syntax can be challenging.
2. Lack of memory management: No automatic memory handling.
3. No built-in OOP support: Not suitable for OOP like Java or Python.
4. No built-in concurrency: Challenging for multithreading.
5. Security vulnerabilities: Prone to issues like buffer overflows.
Importance:
1. Helps choose the right language for projects.
2. Aids in writing efficient code.
3. Prevents common coding pitfalls.
4. Facilitates communication in the programming community.
C programs may behave differently in various compilers due to standards. C standard may leave some behaviors undefined or unspecified. “void main()” violates the standard but may work in some compilers. You should avoid using constructs with undefined and unspecified behavior. C standard defines the behavior of C programs.
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