202 	bitstr_t _test;  in bit_ffs_at()  local
214 		_test = *_curbitstr;  in bit_ffs_at()
216 			_test &= _bit_make_mask(_start, _BITSTR_BITS - 1);  in bit_ffs_at()
217 		while (_test == 0 && _curbitstr < _stopbitstr)  in bit_ffs_at()
218 			_test = *(++_curbitstr);  in bit_ffs_at()
220 		_offset = ffsl(_test);  in bit_ffs_at()
236 	bitstr_t _test;  in bit_ffc_at()  local
248 		_test = *_curbitstr;  in bit_ffc_at()
250 			_test |= _bit_make_mask(0, _start - 1);  in bit_ffc_at()
251 		while (_test == _BITSTR_MASK && _curbitstr < _stopbitstr)  in bit_ffc_at()
252 			_test = *(++_curbitstr);  in bit_ffc_at()
254 		_offset = ffsl(~_test);  in bit_ffc_at()
284 	bitstr_t _test;  in bit_ffs_area_at()  local
295 	_test = ~*_curbitstr;  in bit_ffs_area_at()
297 		_test |= _bit_make_mask(0, _start - 1);  in bit_ffs_area_at()
298 	for (_offset = 0;; _offset -= _BITSTR_BITS, _test = ~*++_curbitstr) {  in bit_ffs_area_at()
299 		if (_test != 0) {  in bit_ffs_area_at()
302 			    (_test & _bit_make_mask(0, _offset + _size)) == 0)  in bit_ffs_area_at()
306 			while ((_test & (_test + 1)) != 0 && _b-- > 0)  in bit_ffs_area_at()
307 				_test |= _test >> (((_size - 1) >> _b) + 1) / 2;  in bit_ffs_area_at()
309 			_offset = (~_test == 0) ? (int)_BITSTR_BITS :  in bit_ffs_area_at()
310 			    ffsl(~_test) - 1;  in bit_ffs_area_at()
331 	bitstr_t _test;  in bit_ffc_area_at()  local
342 	_test = *_curbitstr;  in bit_ffc_area_at()
344 		_test |= _bit_make_mask(0, _start - 1);  in bit_ffc_area_at()
345 	for (_offset = 0;; _offset -= _BITSTR_BITS, _test = *++_curbitstr) {  in bit_ffc_area_at()
346 		if (_test != 0) {  in bit_ffc_area_at()
349 			    (_test & _bit_make_mask(0, _offset + _size)) == 0)  in bit_ffc_area_at()
353 			while ((_test & (_test + 1)) != 0 && _b-- > 0)  in bit_ffc_area_at()
354 				_test |= _test >> (((_size - 1) >> _b) + 1) / 2;  in bit_ffc_area_at()
356 			_offset = (~_test == 0) ? (int)_BITSTR_BITS :  in bit_ffc_area_at()
357 			    ffsl(~_test) - 1;  in bit_ffc_area_at()