err_string2 40 tools/testing/selftests/net/socket.c char err_string2[ERR_STRING_SZ]; err_string2 59 tools/testing/selftests/net/socket.c strerror_r(errno, err_string2, ERR_STRING_SZ); err_string2 64 tools/testing/selftests/net/socket.c err_string1, err_string2);