This value can be set using mnSetLocal.
If mnSetLocal is not used it will be set automatically by DarkNet.
C++ users: the memory for the returned string is managed by winsock. It is only guaranteed to remain valid before the next DarkNet command that uses winsock. In other words, if you want to use the address later on you should copy it to memory allocated by you. Note that because memory to the return string is allocated by winsock, you do not need to deallocate it yourself.
int Instance: This is the instance that the command should
use.
The local IP that is being used for UDP
data transfer if no error occurred.
An empty string if an error occurred.
DBP
C++
.Net