f2py -c ucla_srfc.f90 -m ucla_srfc.so
import ucla_srfc
or
from ucla_srfc import srfcscls
ustart, tstart, rstart = srfcscls(n2, n3, z, u, dth, drt)
f2py -c ucla_srfc.f90 -m ucla_srfc.so
import ucla_srfc
or
from ucla_srfc import srfcscls
ustart, tstart, rstart = srfcscls(n2, n3, z, u, dth, drt)