Standard pmonitor “commands”
int pddopen (const char * ddname);
int pfileopen (const char * filename);
int pstart (const int nevents);
int pidentify (const int n);
int pcontrol (const int seconds);
start, but stop after n events
have events id themselves
have the next n events id themselves
clear the “id” flag, no more id
bring up status GUI (doesn’t work yet)
update GUI each seconds (ditto)