411 REFERENCE · Wikibooks
Rebol Programming/read-io
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USAGE:
READ-IO port buffer length
DESCRIPTION:
Low level read from a port.
READ-IO is a native value.
ARGUMENTS
port -- Already opened port to read from. (Type: port)
buffer -- Buffer to which to append data. (Type: any-string)
length -- Maximum number of chars to read. (Type: number)
SOURCE CODE
read-io: native[
"Low level read from a port."
port [port!] "Already opened port to read from."
buffer [any-string!] "Buffer to which to append data."
length [number!] "Maximum number of chars to read."
]