char* path_fname, char *commentstring, char *drop, char *except
Load in a TLD (Top Level Domain) file for use by the library.
is called once before the program begins to run multi-threaded.
||The full or relative pathname to the file containing the TLD information.
||If not NULL, a string that is used to define commentary lines in the file. If NULL, defaults to "//".
||If not NULL, a string prefix that is used to define an absolute top level, such as ".com".
||If not NULL, a string prefix that is used to define an exceptional top level, such as ".reseller.example.com".
- 0 -- On success.
- !=0 -- And sets errno on failure.