#define __SC_getsockopt 15
#define __SC_sendmsg 16
#define __SC_recvmsg 17
+#define __SC_accept4 18
+#define __SC_recvmmsg 19
+#define __SC_sendmmsg 20
#define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_socketcall, __SC_##nm, \
((long [6]){ (long)a, (long)b, (long)c, (long)d, (long)e, (long)f }))