30 	POSITION pos;  in jump_forw()  local
56 	pos = back_line(end_pos, NULL);  in jump_forw()
57 	if (pos == NULL_POSITION)  in jump_forw()
61 		jump_loc(pos, sc_height-1);  in jump_forw()
89 	POSITION pos;  in jump_back()  local
98 	pos = find_pos(linenum);  in jump_back()
99 	if (pos != NULL_POSITION && ch_seek(pos) == 0)  in jump_back()
102 			set_attnpos(pos);  in jump_back()
103 		jump_loc(pos, jump_sline);  in jump_back()
127 	if (scrpos.pos == NULL_POSITION)  in repaint()
131 		jump_loc(scrpos.pos, scrpos.ln);  in repaint()
139 	POSITION pos, len;  in jump_percent()  local
155 	pos = percent_pos(len, percent, fraction);  in jump_percent()
156 	if (pos >= len)  in jump_percent()
157 		pos = len-1;  in jump_percent()
159 	jump_line_loc(pos, jump_sline);  in jump_percent()
167 public void jump_line_loc(POSITION pos, int sline)  in jump_line_loc()  argument
171 	if (ch_seek(pos) == 0)  in jump_line_loc()
180 		pos = ch_tell();  in jump_line_loc()
183 		set_attnpos(pos);  in jump_line_loc()
184 	jump_loc(pos, sline);  in jump_line_loc()
209 public POSITION after_header_pos(POSITION pos)  in after_header_pos()  argument
211 	if (header_start_pos != NULL_POSITION && pos < header_start_pos)  in after_header_pos()
214         pos = header_start_pos;  in after_header_pos()
216 	return pos;  in after_header_pos()
224 public void jump_loc(POSITION pos, int sline)  in jump_loc()  argument
234 	pos = after_header_pos(pos);  in jump_loc()
235 	pos = next_unfiltered(pos);  in jump_loc()
238 	if ((nline = onscreen(pos)) >= 0)  in jump_loc()
260 	if (ch_seek(pos))  in jump_loc()
272 	if (tpos == NULL_POSITION || pos >= tpos)  in jump_loc()
282 			if (bpos != NULL_POSITION && pos <= bpos)  in jump_loc()
296 			pos = back_line(pos, NULL);  in jump_loc()
297 			if (pos == NULL_POSITION)  in jump_loc()
311 		forw(sc_height-1, pos, TRUE, FALSE, FALSE, sindex-nline);  in jump_loc()
323 			pos = forw_line(pos, &linepos, NULL);  in jump_loc()
324 			if (pos == NULL_POSITION)  in jump_loc()
354 		add_back_pos(pos);  in jump_loc()
355 		back(sc_height-1, pos, TRUE, FALSE, FALSE);  in jump_loc()