gnome-vfs-transform
GnomeVFSTransform * (*GnomeVFSTransformInitFunc) (const char *method_name, const char *config_args);
const char *method_name
const char *config_args
GnomeVFSResult (*GnomeVFSTransformFunc) (GnomeVFSTransform *transform, const char *old_uri, char **new_uri, GnomeVFSContext *context);
GnomeVFSTransform *transform
const char *old_uri
char **new_uri
GnomeVFSContext *context