hm.  my sparc:

/orb/v/src/usr.bin/systat/bufcache.c: In function `labelbufcache':
/orb/v/src/usr.bin/systat/bufcache.c:140: `nbpg' undeclared (first use in this function)


don't be go using NBPG in userland code ... get the value from
the bloody running kernel you lazy slob ... :)