Symbol: xsetsockopt
tools/testing/selftests/bpf/prog_tests/socket_helpers.h
110
#define xsetsockopt(fd, level, name, val, len) \
tools/testing/selftests/net/mptcp/mptcp_connect.c
1244
static void xsetsockopt(int fd, int level, int optname, const void *optval, socklen_t optlen)