headline
char headline[LINESIZE], *subjline, dispc, curind;
struct headline hl;
(void)readline(setinput(mp), headline, LINESIZE, NULL);
parse(headline, &hl, pbuf);
struct headline;
void parse(char *, struct headline *, char *);
struct headline hl;
parse(char *line, struct headline *hl, char *pbuf)