debian man page for xkbkeysymtomodifiers

XkbKeysymToModifiers(3) 					   XKB FUNCTIONS					   XkbKeysymToModifiers(3)

NAME
       XkbKeysymToModifiers - Finds the set of modifiers bound to a particular keysym on the core keyboard

SYNOPSIS
       unsigned int XkbKeysymToModifiers (Display *dpy, KeySym ks);

ARGUMENTS
       - dpy  connection to X server

       - ks   keysym of interest

DESCRIPTION
       XkbKeysymToModifiers  finds  the  set of modifiers currently bound to the keysym ks on the core keyboard. The value returned is the mask of
       modifiers bound to the keysym ks.  If no modifiers are bound to the keysym, XkbKeysymToModifiers returns zero; otherwise,  it  returns  the
       inclusive OR of zero or more of the following: ShiftMask, ControlMask, LockMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, and Mod5Mask.

X Version 11							   libX11 1.5.0 					   XkbKeysymToModifiers(3)