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(libIDL.info)Data Types

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Data Types
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   * IDL_tree

     A semi-opaque tree which encapsulates an IDL tree node.  Must be
     freed with IDL_tree_free (Note: Functions).

   * IDL_ns

     A semi-opaque structure which encapsulates the IDL module
     namespace.  Must be freed with IDL_ns_free (Note: Functions).

   * IDL_msg_callback

     Defined as typedef int (*IDL_msg_callback)(int LEVEL, int NUM, int
     LINE, const char *NAME, const char *ERR).  A function of this type
     can be optionally passed to IDL_parse_filename to be called when a
     parse warning or error occurs.

   * IDL_tree_func

     Defined as typedef gboolean (*IDL_tree_func) (IDL_tree_func_data
     *TREE_FUNC_DATA, gpointer DATA).  A function of this type is
     passed to IDL_tree_walk_in_order to traverse the tree.
     TREE_FUNC_DATA contains an up traversal hierarchy of the current
     traversal, as well as some state information.  The current node
     being processed is given by TREE_FUNC_DATA->tree.