UL_GDESLIM
if (lf_lftw(path, lf_ftw_mark, (int)ulimit(UL_GDESLIM, 0) / 2)
maxfiles = ulimit(UL_GDESLIM, 0);
maxfiles = ulimit(UL_GDESLIM, 0);
case UL_GDESLIM: s = "UL_GDESLIM"; break;
case UL_GDESLIM: /* Return approximate number of open files */