call-with-bytevector-output-port
call-with-string-output-port
latin-1-codec utf-8-codec utf-16-codec
- open-file-input-port open-file-output-port
+ open-file-input-port open-file-output-port open-file-input/output-port
make-custom-textual-output-port
call-with-string-output-port
flush-output-port put-string