php_oci_collection_append_null  438 ext/oci8/oci8_collection.c 		return php_oci_collection_append_null(collection TSRMLS_CC);
php_oci_collection_append_null  460 ext/oci8/php_oci8_int.h int php_oci_collection_append_null(php_oci_collection *collection TSRMLS_DC);