type CInteger { built-in type }
CInteger is a signed integer type. On some platforms it is 32 bits wide and thus has a range of -2147483648 .. 2147483647.
CInteger in GNU Pascal is compatible to int in GNU C.
There are lots of other integer types in GPC, see Integer Types.
CInteger is a GNU Pascal extension.
program CIntegerDemo; var a: CInteger; begin a := 42; WriteLn (a) end.