outside the sbbs_t class).

Copied printnodedat() function from node.c (with mod to print user names).

bcc/linux sopen/lock to succeed.

putnodedat() doesn't need to lock record (already locked by getnodedat).

GMT/UTC.

adjustuserdat functions to prevent writing more than one record past the
end-of-file.

Moved sysop psuedonym matching from alias() to matchuser().