GB_NOCREAT
if ((flags & GB_NOCREAT) != 0) {
if (flags & GB_NOCREAT)
GB_NOCREAT | GB_UNMAPPED | gbwflag);
GB_NOCREAT | GB_UNMAPPED | gbwflag);
GB_NOCREAT | GB_UNMAPPED);
GB_NOCREAT | GB_UNMAPPED);