set_named_type

Store a type in the til.
To replace the existing type use #NTF_REPLACE
     name    -  type name
     type    -  serialized type string
     fields  -  serialized type fields
     cmt     -  main type comment
     fldcmts -  serialized type field comments
     sclass  -  type storage class

tinfo_code_t set_named_type(
        string name,
        long ntf_flags,
        string type,
        string fields="",
        string cmt="",
        string fldcmts="",
        long sclass=0);