This uses the SMB protocol. When first starting the application it will ask for an username, password, and workgroup name, for accessing the New3DS with from a PC. These settings are then stored in savedata, so that info doesn't need setup each time the application is launched.
- "/Mcopy.dat" Filesize is (at least?) 0x68-bytes, contains the stored settings.
|0x0||0x4||u32, unknown. Usually 1?|
|0x4||0x4||u32, unknown. Usually 1?|
|0x8||0x20||char wifi AP SSID|
|0x28||0x10||char SMB device name|
|0x38||0x10||char SMB workgroup name|
|0x48||0x10||char SMB username|
|0x58||0x10||char SMB password|