What is the importance of C language programming today ?

Now-a-days, there is little distinction between C and C++, and in many contexts, C means just C++.





The original C language shaped the modern computer programming undoubtedly, and has com to a glorious retirement according to an article quoted below.





The contemporary C language, C++, is still going and has been (in conjunction with the original C) the mother or the main theme of many other languages: Java, JavaScript, PHP, C#...





I believe that one day in near future, C++ will also be retired the same way by a modern language C# which is the inevitable and natural spell of the original C language in future. Under these terms, how would one possibly evaluate the importance of C?

What is the importance of C language programming today ?
C is used when performance matters most. Largely in operating system kernels and kernel drivers. It is also used to write compilers like gcc.





While C has less "market" share than C++/Java/C#, it is still of critical importance as pretty much everything else relies on C in one form or another.