57 	FILE *fp = cookie;  in __sread()  local
59 	return(_read(fp->_file, buf, (size_t)n));  in __sread()
65 	FILE *fp = cookie;  in __swrite()  local
67 	return (_write(fp->_file, buf, (size_t)n));  in __swrite()
73 	FILE *fp = cookie;  in __sseek()  local
75 	return (lseek(fp->_file, (off_t)offset, whence));  in __sseek()
89 _sread(FILE *fp, char *buf, int n)  in _sread()  argument
93 	ret = (*fp->_read)(fp->_cookie, buf, n);  in _sread()
95 		if (fp->_flags & __SOFF) {  in _sread()
96 			if (fp->_offset <= OFF_MAX - ret)  in _sread()
97 				fp->_offset += ret;  in _sread()
99 				fp->_flags &= ~__SOFF;  in _sread()
102 		fp->_flags &= ~__SOFF;  in _sread()
107 _swrite(FILE *fp, char const *buf, int n)  in _swrite()  argument
112 	if (fp->_flags & __SAPP) {  in _swrite()
114 		if (_sseek(fp, (fpos_t)0, SEEK_END) == -1 &&  in _swrite()
115 		    (fp->_flags & __SOPT))  in _swrite()
119 	ret = (*fp->_write)(fp->_cookie, buf, n);  in _swrite()
122 		if ((fp->_flags & __SOFF) && !(fp->_flags2 & __S2OAP) &&  in _swrite()
123 		    fp->_offset <= OFF_MAX - ret)  in _swrite()
124 			fp->_offset += ret;  in _swrite()
126 			fp->_flags &= ~__SOFF;  in _swrite()
129 		fp->_flags &= ~__SOFF;  in _swrite()
134 _sseek(FILE *fp, fpos_t offset, int whence)  in _sseek()  argument
141 	ret = (*fp->_seek)(fp->_cookie, offset, whence);  in _sseek()
153 				if (HASUB(fp))  in _sseek()
154 					FREEUB(fp);  in _sseek()
155 				fp->_p = fp->_bf._base;  in _sseek()
156 				fp->_r = 0;  in _sseek()
157 				fp->_flags &= ~__SEOF;  in _sseek()
159 			fp->_flags |= __SERR;  in _sseek()
162 			fp->_flags &= ~__SAPP;  in _sseek()
163 		fp->_flags &= ~__SOFF;  in _sseek()
165 	} else if (fp->_flags & __SOPT) {  in _sseek()
166 		fp->_flags |= __SOFF;  in _sseek()
167 		fp->_offset = ret;  in _sseek()