DEBUGF
#define DEBUGF(lvl, args) { if ((lvl) & fdb_debug) cmn_err args; }
#define DEBUGF(level, args)
#define DEBUGF(args) { if (evn_ufs_debug) cmn_err args; }
#define DEBUGF(args)
#define DEBUGF(level, args) { if (segdev_debug >= (level)) cmn_err args; }
#define DEBUGF(level, args)
#define DEBUGF(level, args) \
#define DEBUGF(level, args) /* nothing */