Question

In C language can the first letter of the Identifier be Underscore?
true or false​

Answer 1

Explanation:

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Answer 2

Answer:

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Explanation:

The ANSI C standard allows identifier names that begin with these character combinations to be reserved for compiler use. Identifiers with file-level scope should also not be named with an underscore and a lowercase letter as the first two letters. Identifier names that begin with these characters are also reserved

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