ctf_diff_func_t
ctf_diff_func_t *funcptr;
cds->cds_ifuncs = ctf_alloc(sizeof (ctf_diff_func_t) * ifcount);
cds->cds_ofuncs = ctf_alloc(sizeof (ctf_diff_func_t) * ofcount);
ctf_diff_func_t *ifd, *ofd;
ctf_diff_func_t *cds_ifuncs;
ctf_diff_func_t *cds_ofuncs;
sizeof (ctf_diff_func_t) * cds->cds_nifuncs);
sizeof (ctf_diff_func_t) * cds->cds_nofuncs);