BSD 4_1_snap development

[unix-history] / sys / h / bk.h

/*      bk.h    4.2     81/02/19        */

/*
* Macro definition of bk.c/netinput().
* This is used to replace a call to
*              (*linesw[tp->t_line].l_rint)(c,tp);
* with
*
*              if (tp->t_line == NETLDISC)
*                      BKINPUT(c, tp);
*              else
*                      (*linesw[tp->t_line].l_rint)(c,tp);
*/
#define BKINPUT(c, tp) { \
       if ((tp)->t_rec == 0) { \
               *(tp)->t_cp++ = c; \
               if (++(tp)->t_inbuf == BSIZE || (c) == '\n') { \
                       (tp)->t_rec = 1; \
                       wakeup((caddr_t)&(tp)->t_rawq); \
               } \
       } \
}