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Reference > Libraries > Wifinina > Wifiudp.available

WiFiNINA - WiFiUDP.available()

Description

Get the number of bytes (characters) available for reading from the buffer. This is data that’s already arrived.

This function can only be successfully called after WiFiUDP.parsePacket().

available() inherits from the Stream utility class.

Syntax

WiFiUDP.available()

Parameters

  • None

Returns

  • the number of bytes available in the current packet
  • 0: if WiFiUDP.parsePacket() hasn’t been called yet