There are many key features of C programming language, Some common types include:

• Simplicity: One of the defining characteristics of C is its simplicity. The language features a relatively small set of keywords and constructs, making it easy to learn and understand. This simplicity also translates into a high level of control for programmers, enabling them to finely manipulate system resources.
• Portability: It was designed with portability in mind. Programs written in C can be compiled on different platforms with minor modifications, thanks to the use of a standardized library and minimal machine-dependent features.
• Efficiency: It is close-to-the-hardware nature allows programmers to write code that runs efficiently. Memory management and low-level operations can be fine-tuned, which is essential for tasks such as operating system development.
• Modularity: This supports modular programming through functions and libraries. This encourages code reusability and the creation of well-organized, maintainable codebases.
• Pointer Manipulation: It is renowned for its support of pointers, which allow direct memory manipulation. While this can be challenging for newcomers, mastering pointers is key to unlocking C’s full potential.
• Community and Libraries: Over the decades, a vast array of libraries and tools have been developed for C, making it easier to build complex applications. These libraries range from graphics and networking to data processing and more.