VMS Help POSIX Threads, PTHREAD routines, pthread_attr_setstackaddr, Associated Routines  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       pthread_attr_getguardsize()
       pthread_attr_getstackaddr()
       pthread_attr_getstacksize()
       pthread_attr_init()
       pthread_attr_setguardsize()
       pthread_attr_setstacksize()
       pthread_create()