do_read_with_fd - Linux

Symbol: do_read_with_fd

tools/testing/selftests/bpf/prog_tests/bpf_iter.c

do_read_with_fd(iter_fd, "abcd", read_one_char);

tools/testing/selftests/bpf/prog_tests/bpf_iter.c

err = do_read_with_fd(iter_fd, expected, false);