To let applications adapt their behaviour with respect to the (caching) status of
a file and the current quality of communication, I have decided upon two
primitives that supply these informations.
status primitives are:
- int p_stat(char *name,long *mt,long *ct,long *cct,long
*ret, long *wet);
- int p_comm();
In Figure 5.8 (though a bit out of place) is an example use of