pub unsafe extern "C" fn bli_packm_cntl_create_node(
rntm: *mut rntm_t,
var_func: void_fp,
bmid_m: bszid_t,
bmid_n: bszid_t,
does_invert_diag: bool,
rev_iter_if_upper: bool,
rev_iter_if_lower: bool,
pack_schema: pack_t,
pack_buf_type: packbuf_t,
sub_node: *mut cntl_t,
) -> *mut cntl_t