#define NGX_HTTP_SATISFY_ANY 1
+#define NGX_HTTP_IMS_OFF 0
+#define NGX_HTTP_IMS_EXACT 1
+#define NGX_HTTP_IMS_BEFORE 2
+
+
typedef struct ngx_http_location_tree_node_s ngx_http_location_tree_node_t;
typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;