-typedef int (*php_http_request_pool_apply_func_t)(php_http_request_pool_t *pool, zval *request);
-typedef int (*php_http_request_pool_apply_with_arg_func_t)(php_http_request_pool_t *pool, zval *request, void *arg);
+typedef php_http_request_pool_t *(*php_http_request_pool_init_func_t)(php_http_request_pool_t *p, void *arg);
+typedef php_http_request_pool_t *(*php_http_request_pool_copy_func_t)(php_http_request_pool_t *from, php_http_request_pool_t *to);
+typedef void (*php_http_request_pool_dtor_func_t)(php_http_request_pool_t *p);
+typedef void (*php_http_request_pool_reset_func_t)(php_http_request_pool_t *p);
+typedef STATUS (*php_http_request_pool_exec_func_t)(php_http_request_pool_t *p);
+typedef STATUS (*php_http_request_pool_wait_func_t)(php_http_request_pool_t *p, struct timeval *custom_timeout);
+typedef int (*php_http_request_pool_once_func_t)(php_http_request_pool_t *p);
+typedef STATUS (*php_http_request_pool_attach_func_t)(php_http_request_pool_t *p, php_http_request_t *r, php_http_request_method_t m, const char *url, php_http_message_body_t *body);
+typedef STATUS (*php_http_request_pool_detach_func_t)(php_http_request_pool_t *p, php_http_request_t *r);
+typedef STATUS (*php_http_request_pool_setopt_func_t)(php_http_request_pool_t *p, php_http_request_pool_setopt_opt_t opt, void *arg);