mca_io_base_component_file_delete_unselect_fn_t  100 ompi/mca/io/io.h typedef int (*mca_io_base_component_file_delete_unselect_fn_t)
mca_io_base_component_file_delete_unselect_fn_t  122 ompi/mca/io/io.h     mca_io_base_component_file_delete_unselect_fn_t io_delete_unquery;