void XConvertCase(keysym, lower_return, upper_return)
KeySym keysym;
KeySym *lower_return;
KeySym *upper_return;
keysym | Specifies the KeySym that is to be converted. |
lower_return | Returns the lowercase form of keysym, or keysym. |
upper_return | Returns the uppercase form of keysym, or keysym. |