Section 6.4.4.1 of ISO/IEC 9899:201x specifies the form literal constants can take, and 0 is explicitly listed as an octal constant. Additionally, decimal constants cannot start with a zero. You can see a draft of this standard online here.
1 When you turn 65 (and have no other drug coverage that is as good as Medicare), you need to join a Part D drug plan during the 7-month initial enrollment period when you can sign up for Medicare Part A and Part B. This period runs from three months before the month of your 65th birthday to three months after it.f your coverage is not creditable, you can still keep it. But if you sign up for a Medicare drug plan at some future date, and you have gone for more than 63 days without creditable coverage, you would then pay a late penalty.
Signing up for Medicare online â and you can sign up for Medicare on the Social Security website â may be convenient, but it doesn't work effectively in all circumstances. These are situations in which you need to produce documents as evidence of eligibility. For example: