-PHP_HTTP_API STATUS php_http_env_get_response_headers(HashTable *headers_ht TSRMLS_DC);
-PHP_HTTP_API char *php_http_env_get_response_header(const char *name_str, size_t name_len TSRMLS_DC);
-PHP_HTTP_API STATUS php_http_env_set_response_code(long http_code TSRMLS_DC);
-PHP_HTTP_API STATUS php_http_env_set_response_protocol_version(php_http_version_t *v TSRMLS_DC);
-PHP_HTTP_API STATUS php_http_env_set_response_header(long http_code, const char *header_str, size_t header_len, zend_bool replace TSRMLS_DC);
-PHP_HTTP_API STATUS php_http_env_set_response_header_value(long http_code, const char *name_str, size_t name_len, zval *value, zend_bool replace TSRMLS_DC);
-PHP_HTTP_API STATUS php_http_env_set_response_header_format(long http_code, zend_bool replace TSRMLS_DC, const char *fmt, ...);
-PHP_HTTP_API STATUS php_http_env_set_response_header_va(long http_code, zend_bool replace, const char *fmt, va_list argv TSRMLS_DC);
-
-PHP_HTTP_API zval *php_http_env_get_server_var(const char *key_str, size_t key_len, zend_bool check TSRMLS_DC);
-#define php_http_env_got_server_var(v) (NULL != php_http_env_get_server_var((v), strlen(v), 1 TSRMLS_CC))
-PHP_HTTP_API zval *php_http_env_get_superglobal(const char *key, size_t key_len TSRMLS_DC);
-
-zend_class_entry *php_http_env_get_class_entry(void);
-
-PHP_METHOD(HttpEnv, getRequestHeader);
-PHP_METHOD(HttpEnv, getRequestBody);
-PHP_METHOD(HttpEnv, getResponseStatusForCode);
-PHP_METHOD(HttpEnv, getResponseStatusForAllCodes);
-PHP_METHOD(HttpEnv, getResponseHeader);
-PHP_METHOD(HttpEnv, getResponseCode);
-PHP_METHOD(HttpEnv, setResponseHeader);
-PHP_METHOD(HttpEnv, setResponseCode);
-PHP_METHOD(HttpEnv, negotiateLanguage);
-PHP_METHOD(HttpEnv, negotiateCharset);
-PHP_METHOD(HttpEnv, negotiateEncoding);
-PHP_METHOD(HttpEnv, negotiateContentType);
-PHP_METHOD(HttpEnv, negotiate);
-PHP_METHOD(HttpEnv, statPersistentHandles);
-PHP_METHOD(HttpEnv, cleanPersistentHandles);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_env_get_response_headers(HashTable *headers_ht);
+PHP_HTTP_API char *php_http_env_get_response_header(const char *name_str, size_t name_len);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_env_set_response_code(long http_code);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_env_set_response_protocol_version(php_http_version_t *v);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_env_set_response_header(long http_code, const char *header_str, size_t header_len, zend_bool replace);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_env_set_response_header_value(long http_code, const char *name_str, size_t name_len, zval *value, zend_bool replace);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_env_set_response_header_format(long http_code, zend_bool replace, const char *fmt, ...);
+PHP_HTTP_API ZEND_RESULT_CODE php_http_env_set_response_header_va(long http_code, zend_bool replace, const char *fmt, va_list argv);