Add a function to get part of a string array.
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Changes in libmojave:
+14 -0 cutil/lm_dll.c
+2 -0 unix/lm_dll.ml
A hyperlinked version of this commit is available at
http://svn.metaprl.org/commitlogs/libmojave/2008-06.html#08/06/27.13:15:17