50 fseek(FILE *fp, long offset, int whence)  in fseek()  argument
59 	FLOCKFILE_CANCELSAFE(fp);  in fseek()
60 	ret = _fseeko(fp, (off_t)offset, whence, 1);  in fseek()
68 fseeko(FILE *fp, off_t offset, int whence)  in fseeko()  argument
77 	FLOCKFILE_CANCELSAFE(fp);  in fseeko()
78 	ret = _fseeko(fp, offset, whence, 0);  in fseeko()
90 _fseeko(FILE *fp, off_t offset, int whence, int ltest)  in _fseeko()  argument
101 	if ((seekfn = fp->_seek) == NULL) {  in _fseeko()
118 		if (_ftello(fp, &curoff))  in _fseeko()
165 	if (fp->_bf._base == NULL)  in _fseeko()
166 		__smakebuf(fp);  in _fseeko()
167 	if (fp->_flags & (__SWR | __SRW | __SNBF | __SNPT))  in _fseeko()
169 	if ((fp->_flags & __SOPT) == 0) {  in _fseeko()
171 		    fp->_file < 0 || _fstat(fp->_file, &st) ||  in _fseeko()
173 			fp->_flags |= __SNPT;  in _fseeko()
176 		fp->_blksize = st.st_blksize;  in _fseeko()
177 		fp->_flags |= __SOPT;  in _fseeko()
187 		if (_fstat(fp->_file, &st))  in _fseeko()
204 	if (!havepos && _ftello(fp, &curoff))  in _fseeko()
211 	if (fp->_flags & __SMOD)  in _fseeko()
220 	if (HASUB(fp)) {  in _fseeko()
221 		curoff += fp->_r;	/* kill off ungetc */  in _fseeko()
222 		n = fp->_up - fp->_bf._base;  in _fseeko()
224 		n += fp->_ur;  in _fseeko()
226 		n = fp->_p - fp->_bf._base;  in _fseeko()
228 		n += fp->_r;  in _fseeko()
239 		fp->_p = fp->_bf._base + o;  in _fseeko()
240 		fp->_r = n - o;  in _fseeko()
241 		if (HASUB(fp))  in _fseeko()
242 			FREEUB(fp);  in _fseeko()
243 		fp->_flags &= ~__SEOF;  in _fseeko()
244 		memset(&fp->_mbstate, 0, sizeof(mbstate_t));  in _fseeko()
257 	curoff = target & ~(fp->_blksize - 1);  in _fseeko()
258 	if (_sseek(fp, curoff, SEEK_SET) == POS_ERR)  in _fseeko()
260 	fp->_r = 0;  in _fseeko()
261 	fp->_p = fp->_bf._base;  in _fseeko()
262 	if (HASUB(fp))  in _fseeko()
263 		FREEUB(fp);  in _fseeko()
266 		if (__srefill(fp) || fp->_r < n)  in _fseeko()
268 		fp->_p += n;  in _fseeko()
269 		fp->_r -= n;  in _fseeko()
271 	fp->_flags &= ~__SEOF;  in _fseeko()
272 	memset(&fp->_mbstate, 0, sizeof(mbstate_t));  in _fseeko()
280 	if (__sflush(fp) ||  in _fseeko()
281 	    (ret = _sseek(fp, (fpos_t)offset, whence)) == POS_ERR)  in _fseeko()
284 		fp->_flags |= __SERR;  in _fseeko()
289 	if (HASUB(fp))  in _fseeko()
290 		FREEUB(fp);  in _fseeko()
291 	fp->_p = fp->_bf._base;  in _fseeko()
292 	fp->_r = 0;  in _fseeko()
294 	fp->_flags &= ~__SEOF;  in _fseeko()
295 	memset(&fp->_mbstate, 0, sizeof(mbstate_t));  in _fseeko()