backup_cur_idx 2815 maint/gnulib/lib/regexec.c Idx subexp_num, backup_cur_idx, str_idx, null_cnt; backup_cur_idx 2847 maint/gnulib/lib/regexec.c backup_cur_idx = mctx->input.cur_idx; backup_cur_idx 2956 maint/gnulib/lib/regexec.c mctx->input.cur_idx = backup_cur_idx;