Symbol: UIPC_STREAM_SBCHECK
sys/kern/uipc_usrreq.c
1048
#define UIPC_STREAM_SBCHECK(sb) uipc_stream_sbcheck(sb)
sys/kern/uipc_usrreq.c
1050
#define UIPC_STREAM_SBCHECK(sb) do {} while (0)