steal_qdata

Description:

public void* steal_qdata (Quark quark)

Gets back user data pointers stored via set_qdata and removes the data from this without invoking its destroy function (if any was set).

Usually, calling this function is only required to update user data pointers with a destroy notifier.

Parameters:

this

the ParamSpec to get a stored user data pointer from
quark

a Quark, naming the user data pointer

Returns:

the user data pointer set, or null