DS WiFi is a library for Nintendo DS wifi communication. The changes are fairly minor but improve UDP support and fix a rare issue with broadcast addresses.

Detailed changes:

Added gethostname and sethostname.
Provide DNS record for localhost.
Correct minor issue with broadcast address checking.
Enable select support for UDP.
Correct code for ntoa.
Close DNS socket on no answer.

http://www.devkitpro.org/dswifi/dswifi-034/