The following integer types are defined in the System unit:
shortint = -128..127; longint = $80000000..$7fffffff; integer = -32768..32767; byte = 0..255; word = 0..65535;
The following Real types are declared:
double = real; {$ifdef VER0_6} extended = real; single = real; {$endif VER0_6}
And the following pointer types:
pchar = ^char; ppchar = ^pchar;