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S9 LIB  (unix-time->time integer)  ==>  time-list

        (load-from-library "unix-time-to-time.scm")

UNIX-TIME->TIME converts the number of seconds since the Unix
epoch specified in INTEGER to a time list, which has the following
members:

        (weekday    ; 0..6, where 0 = Monday
         year       ; 1970..2038
         month      ; 1..12
         day        ; 1..31, depends on month
         hour       ; 0..23
         minute     ; 0..59
         second)    ; 0..59

(unix-time->time 1272178879)  ==>  (6 2010 4 25 7 1 19)