UDPLASTSOURCEPORT Keyword

P = UDPLASTSOURCEPORT

Returns the source port of the most recent packet returned by UDPREAD$.

• If no packet has been read yet, returns 0.

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How to read it

• Call after UDPREAD$ to get the sender’s port for the last payload.

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Examples

UDPBIND "0.0.0.0", 8080
S$ = UDPREAD$(8080)
IF LEN(S$) > 0 THEN
    PRINT UDPLASTSOURCEPORT
END IF

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Notes

• The value updates only when UDPREAD$ dequeues a packet.

See also:
UDPREAD$ · UDPLASTIP$