/*
=for apidoc Am|bool|isALNUM|char ch
Returns a boolean indicating whether the C C<char> is an ASCII alphanumeric
-character or digit.
+character (including underscore) or digit.
=for apidoc Am|bool|isALPHA|char ch
Returns a boolean indicating whether the C C<char> is an ASCII alphabetic
The XSUB-writer's interface to the C C<realloc> function, with
cast.
-=for apidoc Am|void|Safefree|void* src|void* dest|int nitems|type
+=for apidoc Am|void|Safefree|void* ptr
The XSUB-writer's interface to the C C<free> function.
=for apidoc Am|void|Move|void* src|void* dest|int nitems|type