Calls a function for each of the children of a GNode. Note that it doesn't descend beneath the child nodes.
which types of children are to be visited, one of G_TRAVERSE_ALL, G_TRAVERSE_LEAVES and G_TRAVERSE_NON_LEAVES
the function to call for each visited node
user data to pass to the function
See Implementation
Calls a function for each of the children of a GNode. Note that it doesn't descend beneath the child nodes.