目标C中的CLIST

GetHeadPosition

NSMutableArray

RemoveAt

removeObjectAtIndex:

GetAt

objectAtIndex:

- (void)insert:(id)objectToInsert before:(id)referenceObject
{
    int index = [array indexOfObject:referenceObject];

    if(index == NSNotFound) return; // or whatever you\'d expect. 
                                    // Maybe object is just inserted at the end?

    index = index - 1;
    if(index < 0) index = [array count];
    [array insertObject:objectToInsert atIndex:index];
}

GetNext

GetHeadPosition

arrayPosition = (arrayPosition + 1)%[array count];
return [array objectAtIndex:arrayPosition];

return arrayPosition;

for(ObjectType *object in array)
{
     /* do something with object */
}