HelenOS sources

udp_rmsg_read      79 uspace/app/netecho/comm.c 		rc = udp_rmsg_read(rmsg, pos, recv_buf, now);
udp_rmsg_read     102 uspace/lib/inet/include/inet/udp.h extern errno_t udp_rmsg_read(udp_rmsg_t *, size_t, void *, size_t);
udp_rmsg_read     108 uspace/srv/net/dhcp/transport.c 	rc = udp_rmsg_read(rmsg, 0, msgbuf, s);
udp_rmsg_read     263 uspace/srv/net/dnsrsrv/transport.c 	rc = udp_rmsg_read(rmsg, 0, recv_buf, size);
HelenOS homepage, sources at GitHub