# SNOBOL4BASE64(3) | CSNOBOL4B 2.3.2 | Janurary 1, 2024

## NAME

Base 64 encoding and decoding

## SYNOPSYS

    -INCLUDE 'base64.sno'

## DESCRIPTION

BASE64_ENCODE(string)
  returns base64 encoded string.

BASE64_DECODE(base64_string)
  returns decoded string. Ignores whitespace.

BASE64URL_ENCODE(string)
  returns base64 encoded string, replacing + and / with - and _.

BASE64URL_DECODE(base64url_string)
  returns base64 decoded string.

## COMPATIBILITY

https://tools.ietf.org/html/rfc4648

## SEE ALSO

snobol4(1)

## AUTHORS

Borenstein, Freed, ISC, IBM, OpenBSD, Budne