#define GLIB_SYSDEF_POLLIN =1
#define GLIB_SYSDEF_POLLOUT =4
#define GLIB_SYSDEF_POLLPRI =2
#define GLIB_SYSDEF_POLLERR =8
#define GLIB_SYSDEF_POLLHUP =16
#define GLIB_SYSDEF_POLLNVAL =32
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