Notice also the C<grok_bin>, C<grok_hex>, and C<grok_oct> functions in
F<numeric.c> for converting strings representing numbers in the respective
bases into C<NV>s. Note that grok_atou() doesn't handle negative inputs,
-or leading whitespace (being purposefully strict). It also doesn't always
-handle full IV/UV-range, being limited to Size_t.
+or leading whitespace (being purposefully strict).
Note that strtol() and strtoul() may be disguised as Strtol(), Strtoul(),
Atol(), Atoul(). Avoid those, too.