Because C's comments start and end with specific characters, you cannot put one comment inside another. This is known as nesting. Nested comments can cause errors in your code, so while you're programming, keep track of where comments start and end. ... That's the part the compiler ignores as a comment.

Can comments be nested in C can they be split into multiple lines?

C Language Common pitfalls Multi-line comments cannot be nested.

What is a nested comment?

A nested comment is a comment inside another comment.