SO_RCVTIMEO        52 maint/gnulib/lib/getsockopt.c           && (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
SO_RCVTIMEO        48 maint/gnulib/lib/setsockopt.c           && (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))