IDL Types

long (signed and unsigned)- 32-bit arithmetic types.
long long(signed and unsigned)- 64-bit arithmetic types.
short(signed and unsigned)- 16-bit arithmetic types.
float, double, and long- IEEE 754-1985 floating point types.
char and wchar- character and wide character types.
boolean- Boolean type.
octet- 8-bit value.
enum- enumerated type.
any- a tagged type that can hold a value of any OMG IDL type, including built-in types and user-defined types.
struct- data aggregation construct, like in C.
union- like in C.