Wednesday, 6 September 2017

Identifier C Language

Identifier is user defined name given to function, variable, structure, union, array etc. followings are rules to name an identifier.
  • Name must be start with alphabet or underscores
  • An identifier may have numbers but not used as first character
  • Special symbol is not allowed .

Valid Variable Name
Invalid Variable Name
A2
2A
_a
-a
A_B
A B
*a
A& (any special symbol)

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1 comment:

  1. Aarav Sharma26 April 2026 at 22:38

    Excellent explanation—clear, beginner-friendly, and very useful for anyone learning C language fundamentals.
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