+static const char *days[]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
+static const char *months[]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
+
+static void msg_add_current_date(osip_message_t *msg){
+ char tmp[64]={0};
+ time_t curtime=time(NULL);
+ struct tm *ret;
+#ifndef WIN32
+ struct tm gmt;
+ ret=gmtime_r(&curtime,&gmt);