new_s
/* empty */ { $$ = new_s("DEVNODE_DONTBOTHER"); }
SINGLE { $$ = new_s("DEVNODE_SINGLE"); }
| VECTOR '=' devnode_dims { $$ = nvcat(new_s("DEVNODE_VECTOR"), $3); }
LINKZERO { $$ = new_s("DEVNODE_FLAG_LINKZERO");}