GNU Guile 2.0.9 released(lists.gnu.org)

  (let loop ((i 0))
    (if (< i 10)
        (display "hello\n")
        (loop (1+ i))))

  (use-modules (srfi srfi-42))
  (do-ec (: i 10) (display "hello\n"))

    for(i=0;i<max;i++) {
       ...
    }

    (do ((i 0 (+ i 1)))
        ((>= i max))
        ...)

    for(VAR=INITIALIZER;CONDITION;VAR=INCREMENT)
    {
       BODY
    }
    return RETVAL;

    (do ((VAR INITIALIZER INCREMENT))
        ((not CONDITION) RETVAL)
       BODY)