__pos4obj_open
if ((fd = __pos4obj_open(path, MQ_PERM_TYPE, oflag,
if ((fd = __pos4obj_open(path, MQ_DATA_TYPE,
if ((fd = __pos4obj_open(path, MQ_DATA_TYPE,
if ((fd = __pos4obj_open(path, MQ_DSCN_TYPE, O_RDWR | O_CREAT,
extern int __pos4obj_open(const char *, char *, int, mode_t, int *);
if ((fd = __pos4obj_open(path, SEM_DATA_TYPE,
fd = __pos4obj_open(path, SHM_DATA_TYPE, oflag, mode, &crflag);