the logging system

prototype get_random().
prototype main().
wrap long lines.

ISC style fixups.

wrapped long lines.
fixed comment to ISC style.

wrapped long lines.
removed unused stack variable "byte" from set_bit in dnssec-signzone.
UNUSED(verbose) for yet-to-be-used variable in dnssec-keygen.
argument to return should be in parentheses.

added UNUSED(first) for when USEINITALWS is not defined.
added missing spaces around assignment operators per ISC style.
use ISC_TF() when assigning a boolean value.
removed unused stack variables "have_host", "xfr_mode" and "nsfind"
	from parse_args().

use ISC_TF when assigning a boolean value.
mask random() to sixteen bits and cast to unsigned short for assignment to
     lookup->sendmsg->id
minor ISC style issues.

added UNUSED(first) for when USEINITALWS is not defined.
use ISC_TF() when assigning a boolean value.
added missing spaces around assignment operators per ISC style.

being range checked.

about what happens with "name" and "origin" parameters when a chain
points to ".".

macro in dns_rdataclass_fromtext by using an intermediate variable
to hold the constant 2nd argument in each use.

added the RESERVED attribute to the reserved0 class in the same function.

why this is an ok thing to do.  shuts up the irix compiler.

the logconfig is properly dimensioned, and only free the channellist
memory in isc_logconfig_destroy if the channellist_count is > 0.
the first addresses a problem that could occur when a successful
isc_log_create was followed immediately by isc_log_[v]write[1] or
isc_log_destroy (with no intervening isc_log_usechannel or
isc_logconfig_use), and the second addresses a problem that could
occur in cleanup if isc_log_create or isc_logconfig_create failed.

by an expiration notice in the IETF I-D repository

in the message structure, even though it should be the root.  Also,
return this name in dns_message_getsig0().