Difference Between Structures and Unions in C Programming

Structure variables can be declared while

  • While defining the structure
  • After defining the structure
  • Using typedef


Structure variables can be initialized while

  • Creating the structure variables
  • After creating the structure variables
  • By using structure element names like any other variable names


Union variables can be declared while

  • While defining the Union
  • After defining the Union
  • Using typedef

Union variables can be initialized while

  • Creating the Union variables
  • After creating the Union variables
  • By using Union element names like any other variable names


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