What is reserved word in C?

A reserved word is a word that cannot be used as an identifier, such as the name of a variable, function, or label – it is “reserved from use”. This is a syntactic definition, and a reserved word may have no meaning. … There are another 30 reserved words that were not in C, are therefore new to C++ programming language.

For More Information Please Refer: https://www.tutorialspoint.com/Reserved-keywords-in-Cplusplus