Returns total RAM size in bytes.
PRL_RESULT PrlStat_GetTotalRamSize( PRL_HANDLE hStat, PRL_UINT64_PTR pnSize );
PrlApiStat.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.