NPIDS
(clp->clp_pidlistsz + NPIDS) * sizeof (pid_t))) == NULL)
clp->clp_pidlistsz += NPIDS;
(*npidsp + NPIDS) * sizeof (pid_t))) == NULL)
nitems = fread(pidlist + *npidsp, sizeof (pid_t), NPIDS, filep);
} while (nitems == NPIDS);