POLLIN             18 native_client_sdk/src/libraries/nacl_io/include/sys/poll.h #define POLLIN   0x0001   /* Will not block READ select/poll. */
POLLIN             54 third_party/libusb/src/libusb/os/poll_windows.h #define POLLIN      0x0001    /* There is data to read */
POLLIN            533 third_party/npapi/npspy/extern/nspr/md/_unixos.h #define	POLLIN		0x0001		/* fd is readable */