73 	register struct mark *m;  local
82 		m = &sm;
83 		m->m_scrpos.pos = ch_zero();
84 		m->m_scrpos.ln = 0;
85 		m->m_ifile = curr_ifile;
96 		m = &sm;
97 		m->m_scrpos.pos = ch_tell();
98 		m->m_scrpos.ln = sc_height-1;
99 		m->m_ifile = curr_ifile;
105 		m = &sm;
106 		get_scrpos(&m->m_scrpos);
107 		m->m_ifile = curr_ifile;
113 		m = &marks[LASTMARK];
119 		m = getumark(c);
120 		if (m == NULL)
122 		if (m->m_scrpos.pos == NULL_POSITION)
129 	return (m);
149 	register struct mark *m;  local
152 	m = getumark(c);
153 	if (m == NULL)
156 	m->m_scrpos = scrpos;
157 	m->m_ifile = curr_ifile;
182 	register struct mark *m;  local
185 	m = getmark(c);
186 	if (m == NULL)
194 	if (m == &marks[LASTMARK] && m->m_scrpos.pos == NULL_POSITION)
196 		m->m_ifile = curr_ifile;
197 		m->m_scrpos.pos = ch_zero();
198 		m->m_scrpos.ln = jump_sline;
206 	scrpos = m->m_scrpos;
207 	if (m->m_ifile != curr_ifile)
212 		if (edit_ifile(m->m_ifile))
230 	register struct mark *m;  local
232 	m = getmark(c);
233 	if (m == NULL)
236 	if (m->m_ifile != curr_ifile)
241 	return (m->m_scrpos.pos);