# buffer size or to body size equal to buffer size.
arith_eval $STDIO_BUFSZ - 16; START=$arith_val
arith_eval $STDIO_BUFSZ + $HDRSZ + $FROMLINESZ + 32; FINISH=$arith_val
-echo \
+[ -t 1 ] && echo \
"Testing inc of files with various alignments of eom marker with buffer size..."
i="$START"
while test $i -le $FINISH; do