Arduino Programming Language: Stream.peek

Name

peek()

Description

Read a byte from the file without advancing to the next one. That is, successive calls to peek() will return the same value, as will the next call to read().

Syntax

stream.peek()

Parameters

  • stream : an instance of a class that inherits from Stream.

Returns

mixed : The next byte (or character), or -1 if none is available.


Based on the reference originally written by Arduino Community,  wiring.org.co and  arduino.cc