smb_dcmd_setopt
argc = smb_dcmd_setopt(opts | SMB_OPT_WALK, SMB_MDB_MAX_OPTS, argv);
argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, argv);
static int smb_dcmd_setopt(uint_t, int, mdb_arg_t *);
new_argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, new_argv);