cs_prev
int cs_prev(SCR *, VCS *);
if (cs_prev(sp, csp))
gc = cs_prev;
gc = cs_prev;
gc = cs_prev;
gc = cs_prev;
if (cs_prev(sp, &cs))
if (cs_prev(sp, &cs))
if (cs_prev(sp, &cs))
if (cs_prev(sp, &cs))
if (cs_prev(sp, &cs))
if (cs.cs_flags == 0 && cs_prev(sp, &cs))
if (cs.cs_flags == 0 && cs_prev(sp, &cs))
if (cs_prev(sp, &cs))
if (cs_prev(sp, &cs))
if (cs_prev(sp, &cs))
int cs_prev(SCR *, VCS *);