Returns the next free fundamental type id which can be used to register a new fundamental type with g_type_register_fundamental(). The returned type ID represents the highest currently registered fundamental type identifier.
The nextmost fundamental type ID to be registered, or 0 if the type system ran out of fundamental type IDs.
See Implementation
Returns the next free fundamental type id which can be used to register a new fundamental type with g_type_register_fundamental(). The returned type ID represents the highest currently registered fundamental type identifier.