SRFI

SRFI 64: A Scheme API for test suites

SRFI 78: Lightweight testing

SRFI 98: An interface to access environment variables

SRFI 106: Basic socket interface

SRFI 120: Timer APIs

SRFI 138: Compiling Scheme programs to executables

SRFI 170: POSIX API

SRFI 189: Maybe and Either: optional container types

SRFI 215: Central Log Exchange

SRFI 226: Control Features

SRFI 253: Data (Type-)Checking

実装状況