<item>When compiling without <tt/-Os/, the function is only available as
fastcall function, so it may only be used in presence of a prototype.
</itemize>
<item>When compiling without <tt/-Os/, the function is only available as
fastcall function, so it may only be used in presence of a prototype.
</itemize>
<tag/See also/
<ref id="isalnum" name="isalnum">,
<ref id="isalpha" name="isalpha">,
<tag/See also/
<ref id="isalnum" name="isalnum">,
<ref id="isalpha" name="isalpha">,