*/
XBT_PUBLIC void sg_host_user_set(sg_host_t host, void* userdata);
XBT_PUBLIC void sg_host_user_destroy(sg_host_t host);
// ========= storage related functions ============
*/
XBT_PUBLIC void sg_host_user_set(sg_host_t host, void* userdata);
XBT_PUBLIC void sg_host_user_destroy(sg_host_t host);
// ========= storage related functions ============