What is wrong with this program?

[Chris Torek]

One question: to what does "data" point?  You haven't ever *set* it
to anything....

(Probably, "data" happens to point to a region on the stack, or in
the data segment, that is clobbered by the call to printf(), but
not by the macro invoked by putchar().)

Lint would have caught that error, by the way.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 4251)
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