[net.unix-wizards] 4.2 changes to pipes, etc.

gwyn@brl-vgr.ARPA (Doug Gwyn ) (05/08/84)

Sounds like you have unflushed buffered output into the pipe;
use fflush() to force it into the pipe without closing the stream.
It should never be necessary to close a pipe for its data to be
made available to the reader.