sk_peek_offset 1740 net/ipv4/udp.c off = sk_peek_offset(sk, flags); sk_peek_offset 287 net/ipv6/udp.c off = sk_peek_offset(sk, flags); sk_peek_offset 2062 net/unix/af_unix.c skip = sk_peek_offset(sk, flags); sk_peek_offset 2242 net/unix/af_unix.c skip = max(sk_peek_offset(sk, flags), 0);