Finds an element in a #GQueue, using a supplied function to find the
desired element. It iterates over the queue, calling the given function
which should return 0 when the desired element is found. The function
takes two gconstpointer arguments, the #GQueue element's data as the
first argument and the given user data as the second argument.
Finds an element in a #GQueue, using a supplied function to find the desired element. It iterates over the queue, calling the given function which should return 0 when the desired element is found. The function takes two gconstpointer arguments, the #GQueue element's data as the first argument and the given user data as the second argument.