type LongWord = LongCard;
LongWord is an unsigned integer type which is larger than Word. On some platforms it is 64 bits wide and thus has a range of 0 .. 18446744073709551615. It is the same as LongCard.
LongWord in GNU Pascal is compatible to long long unsigned int in GNU C.
There are lots of other integer types in GPC, see Integer Types.
LongWord is a GNU Pascal extension.
program LongWordDemo; var a: LongWord; begin a := 42; WriteLn (a) end.
LongCard, Integer Types, Subrange Types.