Home Page | Language Reference (extended) | SD Reference | Libraries | Comparison | Changes

void

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:

// actions are performed in the functions "setup" and "loop"// but  no information is reported to the larger programvoid setup(){// ...}void loop(){// ...}

See also

• function declaration

Reference Home

Corrections, suggestions, and new documentation should be posted to the Forum.

The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.