56 fseek(FILE *fp, long offset, int whence)  in fseek()  argument
65 	FLOCKFILE_CANCELSAFE(fp);  in fseek()
66 	ret = _fseeko(fp, (off_t)offset, whence, 1);  in fseek()
74 fseeko(FILE *fp, off_t offset, int whence)  in fseeko()  argument
83 	FLOCKFILE_CANCELSAFE(fp);  in fseeko()
84 	ret = _fseeko(fp, offset, whence, 0);  in fseeko()
96 _fseeko(FILE *fp, off_t offset, int whence, int ltest)  in _fseeko()  argument
107 	if ((seekfn = fp->_seek) == NULL) {  in _fseeko()
124 		if (_ftello(fp, &curoff))  in _fseeko()
171 	if (fp->_bf._base == NULL)  in _fseeko()
172 		__smakebuf(fp);  in _fseeko()
173 	if (fp->_flags & (__SWR | __SRW | __SNBF | __SNPT))  in _fseeko()
175 	if ((fp->_flags & __SOPT) == 0) {  in _fseeko()
177 		    fp->_file < 0 || _fstat(fp->_file, &st) ||  in _fseeko()
179 			fp->_flags |= __SNPT;  in _fseeko()
182 		fp->_blksize = st.st_blksize;  in _fseeko()
183 		fp->_flags |= __SOPT;  in _fseeko()
193 		if (_fstat(fp->_file, &st))  in _fseeko()
210 	if (!havepos && _ftello(fp, &curoff))  in _fseeko()
217 	if (fp->_flags & __SMOD)  in _fseeko()
226 	if (HASUB(fp)) {  in _fseeko()
227 		curoff += fp->_r;	/* kill off ungetc */  in _fseeko()
228 		n = fp->_up - fp->_bf._base;  in _fseeko()
230 		n += fp->_ur;  in _fseeko()
232 		n = fp->_p - fp->_bf._base;  in _fseeko()
234 		n += fp->_r;  in _fseeko()
245 		fp->_p = fp->_bf._base + o;  in _fseeko()
246 		fp->_r = n - o;  in _fseeko()
247 		if (HASUB(fp))  in _fseeko()
248 			FREEUB(fp);  in _fseeko()
249 		fp->_flags &= ~__SEOF;  in _fseeko()
250 		memset(&fp->_mbstate, 0, sizeof(mbstate_t));  in _fseeko()
263 	curoff = target & ~(fp->_blksize - 1);  in _fseeko()
264 	if (_sseek(fp, curoff, SEEK_SET) == POS_ERR)  in _fseeko()
266 	fp->_r = 0;  in _fseeko()
267 	fp->_p = fp->_bf._base;  in _fseeko()
268 	if (HASUB(fp))  in _fseeko()
269 		FREEUB(fp);  in _fseeko()
272 		if (__srefill(fp) || fp->_r < n)  in _fseeko()
274 		fp->_p += n;  in _fseeko()
275 		fp->_r -= n;  in _fseeko()
277 	fp->_flags &= ~__SEOF;  in _fseeko()
278 	memset(&fp->_mbstate, 0, sizeof(mbstate_t));  in _fseeko()
286 	if (__sflush(fp) ||  in _fseeko()
287 	    (ret = _sseek(fp, (fpos_t)offset, whence)) == POS_ERR)  in _fseeko()
290 		fp->_flags |= __SERR;  in _fseeko()
295 	if (HASUB(fp))  in _fseeko()
296 		FREEUB(fp);  in _fseeko()
297 	fp->_p = fp->_bf._base;  in _fseeko()
298 	fp->_r = 0;  in _fseeko()
300 	fp->_flags &= ~__SEOF;  in _fseeko()
301 	memset(&fp->_mbstate, 0, sizeof(mbstate_t));  in _fseeko()