[Discuss-gnuradio] printf needs #include <cstdio>

[Philip Balister]

In http://gnuradio.org/trac/changeset/11583 there are some files that 
use printf. With gcc-4.4 (on Fedora 11) these fail to compile unless you 
add #include <cstdio>.

Before I look at fixing this by adding the include, is it "better" to 
fix by using iostream classes to replace the printf's? Do the gnuradio 
radio developers prefer one over the other?

Philip

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