quarkTryString
Gets the #GQuark associated with the given string, or 0 if string is null or it has no associated #GQuark.
If you want the GQuark to be created if it doesn't already exist, use g_quark_from_string() or g_quark_from_static_string().
This function must not be used before library constructors have finished running.
Return
the #GQuark associated with the string, or 0 if @string is null or there is no #GQuark associated with it
Parameters
string
a string