Is MSC lib a shared lib? As a runtime lib, I guess there'll be no difference using only those you need or the whole lib for runtime. Only difference I can think of is complile time. -- Daeshik Kim H: (301) 445-0475/2147 O: (703) 689-5878 SCHOOL: dkim at wam.umd.edu, dskim at eng.umd.edu, mz518 at umd5.umd.edu WORK: dkim at daffy.uu.net (uunet!daffy!dkim)