386     bufref->br_fnum = buf == NULL ? 0 : buf->b_fnum;  in set_bufref()
402 				  && bufref->br_fnum == bufref->br_buf->b_fnum;  in bufref_valid()
430     sprintf((char *)buf->b_key, "%x", buf->b_fnum);  in buf_hashtab_add()
719 		((int *)buf_reuse.ga_data)[buf_reuse.ga_len++] = buf->b_fnum;  in close_buffer()
1266 	while (buf != NULL && buf->b_fnum != count)  in do_buffer_ext()
1370 								 buf->b_fnum);  in do_buffer_ext()
1629 	    if (bnr == curbuf->b_fnum)  in do_bufdel()
1716 	curwin->w_alt_fnum = curbuf->b_fnum; // remember alternate file  in set_curbuf()
2146 	    buf->b_fnum = ((int *)buf_reuse.ga_data)[buf_reuse.ga_len];  in buflist_new()
2149 	    while (buf->b_prev != NULL && buf->b_fnum < buf->b_prev->b_fnum)  in buflist_new()
2168 	    buf->b_fnum = top_file_num++;  in buflist_new()
2443     if (GETFILE_SUCCESS(getfile(buf->b_fnum, NULL, NULL,  in buflist_getfile()
2585 	    match = curbuf->b_fnum;  in buflist_findpat()
2655 			match = buf->b_fnum;	// remember first match  in buflist_findpat()
3220 		      && (buf == curbuf || curwin->w_alt_fnum != buf->b_fnum)))  in buflist_list()
3249 		buf->b_fnum,  in buflist_list()
3252 			(curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '),  in buflist_list()
3488 	curwin->w_alt_fnum = buf->b_fnum;  in setaltfname()
3525 	return buf->b_fnum;  in buflist_add()
3672 	vim_snprintf(buffer, IOSIZE, "buf %d: ", curbuf->b_fnum);  in fileinfo()
4536 							 "%d", curbuf->b_fnum);  in build_stl_str_hl()
4667 	    num = wp->w_buffer->b_fnum;  in build_stl_str_hl()
5709 	if (buf->b_fnum == qf_stack_get_bufnr())  in buf_spname()
5835     if (buf->b_fnum == top_file_num - 1)  in wipe_buffer()