Is there any course on C language?

Answer 1

yes
there is a lesson
https://www.sololearn.com/learn/1139/?ref=app

Answer 2

https://www.sololearn.com/discuss/635969/?ref=app
if you want some references then go through this

Answer 3

Yes, there is!
https://www.sololearn.com/learn/1139/?ref=app

Answer 4

ok thank you for your kind information 😊