entries.

ok jsing@

pthreads and chroot, and safe initialization without /dev/random and such
junk.  If you are in control of an arc4random in another library, please look
at these pages and get caught up.
ok various

ok deraadt@ tedu@, wording tweaks jmc@

- simplify a macro call (Do/Dc -> Dq)

introduce two new APIs for requesting strong random numbers:
arc4random_buf() - fill an arbitrary memory range with random numbers
arc4random_uniform() - return a uniformly distributed random number
below
a specified upper bound, avoiding the bias that comes from a naive
"arc4random() % upper_bound" construction.
these mirror similarly-named functions in the kernel;
lots of discussion deraadt@ mcbride@

Sync the documentation in getpid with arc4random's format.

* except when it is escaped with a `\' at the end of the line
- fix remaining .Nm usage as well
- this is from a patch I received from kwesterback@home.com, who has been
working on some scripts for fixing formatting errors in mdoc'd man pages
Ok, so there could be a cost/benefit debate with this commit, but since I have
the patch we might as well commit it...

is used instead; kwesterback@home.com

- Sort xrefs by section, and then alphabetically.
- Add missing commas between xref items.
- Remove commas from the last xref entry.
- Remove duplicate entries.

then/than and such. Other miscellaneous problems fixed across these source
files.

some corrections.

password cipher type at the moment