VCS
int cs_init(SCR *, VCS *);
int cs_next(SCR *, VCS *);
int cs_fspace(SCR *, VCS *);
int cs_fblank(SCR *, VCS *);
int cs_prev(SCR *, VCS *);
int cs_bblank(SCR *, VCS *);
cs_fspace(SCR *sp, VCS *csp)
cs_fblank(SCR *sp, VCS *csp)
cs_prev(SCR *sp, VCS *csp)
cs_bblank(SCR *sp, VCS *csp)
cs_init(SCR *sp, VCS *csp)
cs_next(SCR *sp, VCS *csp)
VCS cs;
int cnt, isempty, matchc, startc, (*gc)(SCR *, VCS *);
VCS cs;
VCS cs;
VCS cs;
VCS cs;
VCS cs;
VCS cs;
int cs_bblank(SCR *, VCS *);
int cs_fblank(SCR *, VCS *);
int cs_fspace(SCR *, VCS *);
int cs_init(SCR *, VCS *);
int cs_next(SCR *, VCS *);
int cs_prev(SCR *, VCS *);