make-string-usable-for-resource-key -- Return a converted string from STRING that can be used as an X resource key.
bool->string -- Return the string "false" if ARG is #f, "true" otherwise.
color->string -- Convert scwm color object COLOR into an X11 name of that color.
size->string -- Convert a two-element list to a string.
number->hex-string -- A convenience wrapper around `number->string' that returns N in base-16.
window-state->string -- Returns a string representation of the numerical WIN-STATE.
gravity->string -- Returns a string representation of the numerical GRAVITY.
chop-newline -- Return STR up to but not including the first newline character.
write-all -- Write all arguments into the port.
to-string -- Dump all arguments into a string.
string-join -- Concatenates the list STRINGS into a single string.
remove-suffix -- Return STR with trailing SUFFIX removed if it exists.
string-has-prefix -- Return #t iff STRING starts with PREFIX.
string-ci-has-prefix -- Return #t iff STRING starts with PREFIX ignoring case.