On Jan 6, 2009, at 1:53 AM, Graham Cox wrote:
On 5 Jan 2009, at 6:14 pm, Damien Cooke wrote:
typedef enum _DCDBTypes
{
DCOItemType = 0,
DCOCategoryType = 1,
DCORegionType = 2
}DCDBTypes;
That said, also try this:
typedef enum
{
DCOItemType = 0,
DCOCategoryType = 1,
DCORegionType = 2
}
DCDBTypes;
I never add in those _blahblah things after enum, I've never
understood what they're for. I always typedef enums like this and
they always work just fine. (Maybe someone could explain what this
other form is all about and whether it matters?)
Start with this pair of declarations. This creates two types,
`DCDBTypes` and `enum _DCDBTypes`:
enum _DCDBTypes {
DCOItemType = 0,
DCOCategoryType = 1,
DCORegionType = 2
};
typedef enum _DCDBTypes DCDBTypes;
C allows a contraction of the above. This creates the same two types:
typedef enum _DCDBTypes {
DCOItemType = 0,
DCOCategoryType = 1,
DCORegionType = 2
} DCDBTypes;
You can omit the separate enum type:
typedef enum {
DCOItemType = 0,
DCOCategoryType = 1,
DCORegionType = 2
} DCDBTypes;
...or even give the two types the "same" name if you want (but not
really; one is `enum DCDBTypes` and the other is just `DCDBTypes`):
typedef enum DCDBTypes {
DCOItemType = 0,
DCOCategoryType = 1,
DCORegionType = 2
} DCDBTypes;
All of this works the same way with struct types.
--
Greg Parker [email protected] Runtime Wrangler
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