XmInternAtom - Man Page

#include <Xm/AtomMgr.h>
Atom XmInternAtom(
Display * display,
String name,
Boolean only_if_exists);

XmInternAtom returns an atom for a given name. The returned atom remains defined even after the client's connection closes. The returned atom becomes undefined when the last connection to the X server closes.

display

Specifies the connection to the X server

name

Specifies the name associated with the atom you want returned. The value of name is case dependent.

only_if_exists

Specifies a Boolean value. If False, the atom is created even if it does not exist. (If it does not exist, the returned atom will be None.) If True, the atom is created only if it exists.

Returns an atom.

VendorShell(3), XmActivateProtocol(3), XmActivateWMProtocol(3), XmAddProtocolCallback(3), XmAddProtocols(3), XmAddWMProtocolCallback(3), XmAddWMProtocols(3), XmDeactivateProtocol(3), XmDeactivateWMProtocol(3), XmRemoveProtocolCallback(3), XmRemoveProtocols(3), XmRemoveWMProtocolCallback(3), XmRemoveWMProtocols(3), XmSetProtocolHooks(3), XmSetWMProtocolHooks(3).