FIONREAD         2070 opal/mca/event/libevent2022/libevent/buffer.c #if defined(FIONREAD) && defined(WIN32)
FIONREAD         2072 opal/mca/event/libevent2022/libevent/buffer.c 	if (ioctlsocket(fd, FIONREAD, &lng) < 0)
FIONREAD         2076 opal/mca/event/libevent2022/libevent/buffer.c #elif defined(FIONREAD)
FIONREAD         2078 opal/mca/event/libevent2022/libevent/buffer.c 	if (ioctl(fd, FIONREAD, &n) < 0)