I wrote: > In general a program that provides an fd interface will discuss the > interface fds in the man page. Other programs that are not intended > to present a program interface (such as qmail-clean) will not have > specific fd discussions. As it happens, qmail-clean *does* discuss fds as well, even though it's not really intended as a programmable interface. That'll teach me to generalize without checking the specific example. Regards.
- what file descriptors are used by QMAIL programs? Curtis Generous
