Basics of C Programming

⯈Basic C Programs

Comma operator in C

  • Symbol of comma operator is ,
  • It has the least precedence.
  • It evaluates all the expressions from LHS to RHS, discards all the results and gives the answer as the rightmost expression value.
  • This operator is also used to separate variable names.
  • This is also used in multiple initializations and multiple updations in for loop.
  • Depending on where the operator is used its behavior changes.


a = 3

y = ++a, 10

It evaluates ++a and 10 both but returns the answer as 10.


a = 4

y = 10

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