X11R7.4 - man page for xkbkeysymtomodifiers (x11r4 section 3)

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 ( dpy, ks )
	     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, Lock-
       Mask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, and Mod5Mask.

X Version 11				   libX11 1.2.1 		  XkbKeysymToModifiers(3)