func...

This keyword can be called on its own (returns void then) or optionally with a type
Usage:

func [name] [params]
or 
funcint [name] [params], funcstr [name] [params], ...

Supported types (also func return type):

• int
• str
• float
• double
• long / long long
• char
• unsignedint, signedint, ...
• ....