157 local void bskip(bin *in, unsigned skip)  in bskip()  argument
164     if (skip <= in->left) {  in bskip()
165         in->left -= skip;  in bskip()
166         in->next += skip;  in bskip()
171     skip -= in->left;  in bskip()
175     if (skip > CHUNK) {  in bskip()
178         left = skip & (CHUNK - 1);  in bskip()
182             lseek(in->fd, skip - 1, SEEK_CUR);  in bskip()
189         lseek(in->fd, skip - left, SEEK_CUR);  in bskip()
190         skip = left;  in bskip()
195     if (skip > in->left)  in bskip()
197     in->left -= skip;  in bskip()
198     in->next += skip;  in bskip()