part of the reply address (for web-based confirmation).
example.com domain name.
error exits from system calls.
to use. This replaces the "make std/mysql/pgsql" mechanism. Adapted from patch by Tullio Andreatta.
resulted in several cascading const improvements.
even remotely modern compilers, so assume it to be true.
source files missing from FILES.idx, and used proper paths for the sub_*/* sources.