Mplay session find

Explanation
This function returns the number of sessions which are not full. It must be called before calling or.

Example
This script stores all the session names in an array: var num, name; num = mplay_session_find; // Discovers all open sessions // Start the loop for (i = 0; i < num; i += 1) {  name[i] = mplay_session_name(i); }