Chapter 24 problem

@lolgrep In chapter 24 on the page 347 there’s such commands:

(lldb) po trace_address(0x00007fa838414330)

And such command give the following output:

error: use of undeclared identifier 'trace_address'

It seems that this module isn’t imported in the runtime or in the app at all.
At least i didn’t find any functions nor module call in the whole application.
So what should i do?

Don’t know why, but redownloading project fixes this problem.

@yasroslav hard to diagnose without further info, but I’d do a image lookup -rn to make sure the code is in the process. If you have problems again you can externally declare the function right before calling it

1 Like