srp_base
srpp->srp_base = NULL;
srpp->srp_base = NULL;
if ((mp = desballoc(srpp->srp_base, size, BPRI_HI,
srpp->srp_base = (unsigned char *)base;
if ((mp = desballoc(srpp->srp_base, size, BPRI_HI, freep)) == NULL) {
srpp->srp_base = NULL;