pmclog_map_in
PMCLOG_GET_PATHLEN(pathlen,evlen,pmclog_map_in);
CTASSERT(sizeof(struct pmclog_map_in) == PATH_MAX + TSDELTA +
CTASSERT(offsetof(struct pmclog_map_in,pl_pathname) ==
recordlen = offsetof(struct pmclog_map_in, pl_pathname) +
struct pmclog_map_in pl_mi;