VMS Help CC, Message Groups, PORTABLE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 ADDRCONSTEXT        ADDRSUBCONST        ALIGNCONST
 ALIGNEXT            ARGADDR             ARRNOTLVALUE
 ASSIGNEXT           BADCMMNTPSTNG       BADREGISTER
 BITNOTINT           BOOLEXT             CDDEXT
 CMPPTRFUNVOID       COMPLEXEXT          CONSTCOMPLIT
 CONSTFUNC           CONVARASLIT         CXXCOMMENT
 DECLAFTERSTMT       DECLINFOR           DECLSPECEXT
 DESIGNATORUSE       DOLLARID            DUPENUM
 DUPSTORCLS          DUPTYPEDEF          DUPTYPQUAL
 ELLIPSEARG          ELLIPSEPARM         EMBEDCOMMENT
 EMPTYCHARCONST      ENUMSANDINT         ENUMSNOTCOMPAT
 EXPANDEDDEFINED     EXTENDTYPE          FUNCREDECL
 FUTUREKEYWD2        FUTUREKEYWORD       GLOBALEXT
 HEXOCTSIGN          HEXOCTUNSIGN        IDINPARENSEXT
 INCARRAYPARM        INCARRAYPARM1       INCOMPARRY
 INCOMPARRY1         INCOMPDEREF         INCOMPELMNT
 INLINESTOCLSMOD     INTCONSTSIGNED      INTCONSTTOOBIG
 INTCONSTUNSIGN      LABELWOSTMT         LONGFLOATEXT
 LONGLONGSUFX        LONGLONGTYPE        LVALUECAST
 MACROREDEF          MAINNOTINT          MAINPROGEXT
 MISMATPARAM         MISPARAMCOUNT       MIXFUNCVOID
 MULTICHAR           NAMESHORTENED       NEEDCONSTEXT
 NONAMEMEMBERS       NONOCTAL            NONPORTLINEDIR
 NONSTANDCAST        NOSEMISTRUCT        NOSHAREEXT
 NOTADDRCAST         OKCPPINARGS         PARENLITERAL
 PRAGMA              PRAGMAIDENT         PRAGMAMOD
 READONLYEXT         RESTRICTEXT         RESTRICTEXT1
 RESTRICTEXT2        SAMEASTYPEDEF       SWITCHLONG
 TEXTMODULE          TRAILCOMMA          TYPEDEFNA
 TYPEOFEXT           TYPQUALNOT2         UNALIGNEXT
 UNDEFENUM           UNSTRUCTMEM         VALUEPRES
 VARIANTEXT          VLAEXTENSION        VOLATILEFUNC