Checking patch sysdeps/mach/xpg-strerror.c...
error: while searching for:
  code = err_get_code (errnum);

  if (system > err_max_system || ! __mach_error_systems[system].bad_sub)
    return EINVAL;

  es = &__mach_error_systems[system];


error: patch failed: sysdeps/mach/xpg-strerror.c:51
error: while searching for:
  else
    estr = (const char *) _(es->subsystem[sub].codes[code]);

  size_t estrlen = strlen (estr) + 1;

  if (buflen < estrlen)
    return ERANGE;

  memcpy (buf, estr, estrlen);
  return 0;
}

error: patch failed: sysdeps/mach/xpg-strerror.c:62
Applying patch sysdeps/mach/xpg-strerror.c with 2 rejects...
Rejected hunk #1.
Rejected hunk #2.