recv_fd 273 samples/seccomp/user-trap.c listener = recv_fd(sk_pair[0]); recv_fd 197 tools/testing/selftests/net/reuseport_addr_any.c int epfd, i, send_fd, recv_fd; recv_fd 212 tools/testing/selftests/net/reuseport_addr_any.c recv_fd = receive_once(epfd, proto); recv_fd 213 tools/testing/selftests/net/reuseport_addr_any.c if (recv_fd != fd)