pctr_ctrfn_index
if ((ind = pctr_ctrfn_index(p5fn, fn)) < 0)
if ((ind = pctr_ctrfn_index(cfnp, fn)) < 0)
if (func && (ind = pctr_ctrfn_index(cfnp, func)) < 0)
((ind = pctr_ctrfn_index(amdfn, func)) < 0))