This function selects the best master stream to be used in a synchronized group. It allows a super group to be created that may contain other synchronized groups.
#include <os2.h> PHSTREAM phstreamMaster; /* Handle address. */ PMASTER paMasterList; /* Stream handle array address. */ ULONG ulNumMasters; /* Number of streams in master list. */ ULONG rc; /* Return code. */ rc = SpiDetermineSyncMaster(phstreamMaster, paMasterList, ulNumMasters);