Lines Matching defs:back
468 move back, and set up each alternative appropriately. */
478 int back = GET(end_code, 2+LINK_SIZE);
479 if (back > max_back) max_back = back;
484 /* If we can't go back the amount required for the longest lookbehind
485 pattern, go back as far as we can; some alternatives may still be viable. */
488 /* In character mode we have to step back character by character */
520 int back = GET(end_code, 2+LINK_SIZE);
521 if (back <= gone_back)
524 ADD_NEW_DATA(-bstate, 0, gone_back - back);
3336 back the character offset. */