Function libdw_sys::dwfl_getthread_frames

pub unsafe extern "C" fn dwfl_getthread_frames(
    dwfl: *mut Dwfl, 
    tid: pid_t, 
    callback: Option<unsafe extern "C" fn(thread: *mut Dwfl_Frame, arg: *mut c_void) -> c_int>, 
    arg: *mut c_void
) -> c_int