When <EM>wch</EM> is a null pointer, <STRONG>getcchar</STRONG> returns the number of
wide characters referenced by <EM>wcval</EM>, including one for a
trailing null.
When <EM>wch</EM> is a null pointer, <STRONG>getcchar</STRONG> returns the number of
wide characters referenced by <EM>wcval</EM>, including one for a
trailing null.