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get string part from buffer passed to C added by evhan on Sat Jun 23 14:57:00 2012

(define len (foreign_value SOME_MAX_STRING_LENGTH int))

(let ((str (make-string len)))
  ((foreign-lambda int get_string_from_c_library scheme-pointer unsigned-int) str len)
  (substring str 0 (string-index str #\\x00)))
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Which R5RS procedure can be used to concatenate strings?
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