b. Variables and Keywords

Rules and Restrictions apply to keywords in C Programming Languages:

There have some predefined rules and restrictions that are followed by the developers about to initialize and used the keywords in C programming languages;

  • Keywords are the words whose meaning has already been explained to the C compiler and their meanings cannot be changed.
  • Keywords can be used only for their intended purpose.
  • Keywords cannot be used as developer variables.
  • All keywords must be written in lowercase.

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