IsCursorKey, IsFunctionKey, IsKeypadKey, IsMiscFunctionKey, IsModifierKey, IsPFKey, IsPrivateKeypadKey -

keysym    Specifies the KeySym that is to be tested.

       The IsCursorKey macro returns True if the specified KeySym is a cursor key.

       The IsFunctionKey macro returns True if the KeySym is a function key.

       The IsKeypadKey macro returns True if the specified KeySym is a keypad key.

       The IsMiscFunctionKey macro returns True if the specified KeySym is a miscellaneous function key.

       The IsModifierKey macro returns True if the specified KeySym is a modifier key.

       The IsPFKey macro returns True if the specified KeySym is a PF key.

       The IsPrivateKeypadKey macro returns True if the specified KeySym is a vendor-private keypad key.

       IsCursorKey,  IsFunctionKey, IsKeypadKey, IsMiscFunctionKey, IsModifierKey, IsPFKey, IsPrivateKeypadKey -
       keysym classification macros

XkbKeyTypesForCoreSymbols(3), AllPlanes(3), BlackPixelOfScreen(3), ImageByteOrder(3)
       Xlib-CLanguageXInterface

X Version 11                                      libX11 1.8.12                                   IsCursorKey(3)

       int IsCursorKey(KeySym keysym);

       int IsFunctionKey(KeySym keysym);

       int IsKeypadKey(KeySym keysym);

       int IsMiscFunctionKey(KeySym keysym);

       int IsModifierKey(KeySym keysym);

       int IsPFKey(KeySym keysym);

       int IsPrivateKeypadKey(KeySym keysym);