void

[Data Types]

Description

The void keyword is used only in function declarations. It indicates that the function is expected to return no information to the function from which it was called.

Example Code

The code shows how to use void.

// actions are performed in the functions "setup" and "loop"
// but  no information is reported to the larger program

void setup()
{
  // ...
}

void loop()
{
  // ...
}

See also

  • LANGUAGE String()

  • LANGUAGE array

  • LANGUAGE boolean

  • LANGUAGE byte

  • LANGUAGE char

  • LANGUAGE double

  • LANGUAGE float

  • LANGUAGE int

  • LANGUAGE long

  • LANGUAGE short

  • LANGUAGE string

  • LANGUAGE unsignedChar

  • LANGUAGE unsignedInt

  • LANGUAGE unsignedLong

  • LANGUAGE word