cnputc
cnputc(*p);
cnputc(BACKUP);
cnputc(*db_lc);
cnputc(BACKUP);
cnputc(*db_lc);
cnputc(BACKUP);
cnputc(BACKUP);
cnputc(db_lc[-2]);
cnputc(db_lc[-1]);
cnputc('\007');
cnputc(c);
cnputc(*s++);
cnputc(c);
cnputc(c);
cnputc(c);
cnputc(c);
cnputc(c);
cnputc(' ');
cnputc(' ');
cnputc(c);
void cnputc (int);