Remove unused Table_size define and digits() function.

Use user_from_uid() and uid_from_user() directly. The wrappers
in username.c are now so simple there is no longer a good reason
to use them. OK deraadt@

Fix warnings caused by user_from_uid() and group_from_gid() now
returning const char *.

Multi-cpu support for top. Each cpu now gets its own stats line.
Based on work by todd@ at the hackathon.

introduce -p option and p command to only show a single process.
From Patrick Latifi. ok deraadt@ millert@

o get rid of strecpy() and use strlcpy() and/or snprintf() instead.
o make itoa() just use snprintf()
o rename itoa7() to format_uid() and use snprintf()
o max username len is _PW_NAME_LEN, not 8

license change from William LeFebvre <wnl@groupsys.com>; top is now BSD
licensed. this same license will show up on his next release as well.

Part one of userland __P removal. Done with a simple regexp with some minor hand editing to make comments line up correctly. Another pass is forthcoming that handles the cases that could not be don

Part one of userland __P removal. Done with a simple regexp with some minor hand editing to make comments line up correctly. Another pass is forthcoming that handles the cases that could not be done automatically.

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cp_time is long, deal with it.

First sweep. Prototype, type fixes, long fixes, mostly compiles with
-Wall.

top 3.4, with a few changes. Still needs more work.