firstc 1889 kern/tty.c for (cp = firstc(&tp->t_rawq, &tabc); cp; firstc 1955 kern/tty.c for (cp = firstc(&tp->t_canq, &c); cp; cp = nextc(&tp->t_canq, cp, &c)) firstc 1957 kern/tty.c for (cp = firstc(&tp->t_rawq, &c); cp; cp = nextc(&tp->t_rawq, cp, &c)) firstc 300 sys/tty.h u_char *firstc(struct clist *clp, int *c);