rsock_sendto_blocking 544 ext/socket/basicsocket.c func = rsock_sendto_blocking; rsock_sendto_blocking 330 ext/socket/rubysocket.h VALUE rsock_sendto_blocking(void *data); rsock_sendto_blocking 161 ext/socket/udpsocket.c n = (int)BLOCKING_REGION_FD(rsock_sendto_blocking, &arg->sarg);