173 local struct tab *done; /* states already evaluated array */  variable
183     if (done != NULL) {  in cleanup()
185             if (done[n].len)  in cleanup()
186                 free(done[n].vec);  in cleanup()
187         free(done);  in cleanup()
271     length = done[index].len;  in beenhere()
272     if (offset < length && (done[index].vec[offset] & bit) != 0)  in beenhere()
284             vector = realloc(done[index].vec, length);  in beenhere()
286                 memset(vector + done[index].len, 0, length - done[index].len);  in beenhere()
305         done[index].len = length;  in beenhere()
306         done[index].vec = vector;  in beenhere()
310     done[index].vec[offset] |= bit;  in beenhere()
465     done = NULL;  in main()
550         done = NULL;  in main()
552              (done = calloc(size, sizeof(struct tab))) == NULL) {  in main()