Internal efuns

Efuns which give internal information about the driver process, or assist
with debugging the driver itself.

<DL>
*  cache_stats
*  debug_info
*  debugmalloc
*  dump_file_descriptors
*  dump_prog
*  dump_socket_status
*  dumpallobj
*  get_config
*  malloc_status
*  memory_info
*  mud_status
*  opcprof
*  query_load_average
*  refs
*  rusage
*  set_debug_level
*  set_malloc_mask
*  swap
*  time_expression
*  trace
*  traceprefix
</DL>

 Tim Hollebeek  Beek@ZorkMUD, Lima Bean, IdeaExchange, and elsewhere