124 add_lnum(linenum, pos)  in add_lnum()  argument
125 	LINENUM linenum;  in add_lnum()
139 		if (p->line == linenum)
170 	new->line = linenum;
271 	LINENUM linenum;  local
322 		for (linenum = p->line, cpos = p->pos;  cpos < pos;  linenum++)
339 		add_lnum(linenum, cpos);
345 			linenum--;
353 		for (linenum = p->line, cpos = p->pos;  cpos > pos;  linenum--)
370 		add_lnum(linenum, cpos);
373 	return (linenum);
381 find_pos(linenum)  in find_pos()  argument
382 	LINENUM linenum;  in find_pos()
388 	if (linenum <= 1)
397 	for (p = anchor.next;  p != &anchor && p->line < linenum;  p = p->next)
399 	if (p->line == linenum)
403 	if (p == &anchor || linenum - p->prev->line < p->line - linenum)
411 		for (clinenum = p->line, cpos = p->pos;  clinenum < linenum;  clinenum++)
429 		for (clinenum = p->line, cpos = p->pos;  clinenum > linenum;  clinenum--)
459 	LINENUM linenum;  local
467 	linenum = find_linenum(pos);
469 		linenum--;
470 	return (linenum);
480 	LINENUM linenum = 0;  in scan_eof()  local
488         if ((linenum++ % 256) == 0)  in scan_eof()
489             add_lnum(linenum, pos);  in scan_eof()