SRFI 192: Port Positioning

by John Cowan and Shiro Kawai (implementation; requires a hook)

Based on R6RS.

status: final (2020-07-31)

keywords: I/O

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Abstract

This is an extract from the R6RS that documents its support for positioning ports. Binary ports can be positioned to read or write at a specific byte; textual ports at a specific character, although character positions can't be synthesized portably. It has been lightly edited to fit R7RS style.