gf_sg_delete_all_protos  601 include/gpac/scenegraph_vrml.h GF_Err gf_sg_delete_all_protos(GF_SceneGraph *scene);
gf_sg_delete_all_protos  516 src/bifs/com_dec.c 		return gf_sg_delete_all_protos(codec->current_graph);