prep_callback_struct 2975 ext/sqlite/sqlite.c 	if (prep_callback_struct(db, 1, funcname, zstep, zfinal, &funcs) == DO_REG) {
prep_callback_struct 3018 ext/sqlite/sqlite.c 	if (prep_callback_struct(db, 0, funcname, zcall, NULL, &funcs) == DO_REG) {