Hi

This is because the "\n" causes the output buffer to flush. It's not the
printf, but the "\n" in the format string that's causing the print.

Ed Hoeffner
1-271 BSBE
312 Church St. SE
Mpls, MN 55455
hoeffner at dcmir.med.umn.edu
612-625-2115
612-625-2163 fax