\brief Retrieve the integer value of an constant declaration as an uint
long long.
If the cursor does not reference an constant declaration, ULLONG_MAX is returned.
Since this is also potentially a valid constant value, the kind of the cursor
must be verified before calling this function.
\brief Retrieve the integer value of an constant declaration as an uint long long.
If the cursor does not reference an constant declaration, ULLONG_MAX is returned. Since this is also potentially a valid constant value, the kind of the cursor must be verified before calling this function.