43 	size_t	 off;	/* current offset into the buffer */  member
89 	ck->off  = 0;  in fmemopen()
128 		ck->off = ck->len = strnlen(ck->buf, ck->size);  in fmemopen()
168 	if (nbytes > ck->len - ck->off)  in fmemopen_read()
169 		nbytes = ck->len - ck->off;  in fmemopen_read()
174 	memcpy(buf, ck->buf + ck->off, nbytes);  in fmemopen_read()
176 	ck->off += nbytes;  in fmemopen_read()
186 	if (nbytes > ck->size - ck->off)  in fmemopen_write()
187 		nbytes = ck->size - ck->off;  in fmemopen_write()
192 	memcpy(ck->buf + ck->off, buf, nbytes);  in fmemopen_write()
194 	ck->off += nbytes;  in fmemopen_write()
196 	if (ck->off > ck->len)  in fmemopen_write()
197 		ck->len = ck->off;  in fmemopen_write()
205 	if (!ck->bin && ck->off < ck->size && ck->buf[ck->off - 1] != '\0')  in fmemopen_write()
206 		ck->buf[ck->off] = '\0';  in fmemopen_write()
223 		ck->off = offset;  in fmemopen_seek()
227 		if (ck->off + offset > ck->size) {  in fmemopen_seek()
231 		ck->off += offset;  in fmemopen_seek()
239 		ck->off = ck->len + offset;  in fmemopen_seek()
247 	return (ck->off);  in fmemopen_seek()