4.3BSD - /usr/src/sys/h/bkmac.h

   1: /*
   2:  * Copyright (c) 1982, 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)bkmac.h	7.1 (Berkeley) 6/4/86
   7:  */
   8: 
   9: /*
  10:  * Macro definition of bk.c/netinput().
  11:  * This is used to replace a call to
  12:  *		(*linesw[tp->t_line].l_rint)(c,tp);
  13:  * with
  14:  *
  15:  *		if (tp->t_line == NETLDISC)
  16:  *			BKINPUT(c, tp);
  17:  *		else
  18:  *			(*linesw[tp->t_line].l_rint)(c,tp);
  19:  */
  20: #define BKINPUT(c, tp) { \
  21:     if ((tp)->t_rec == 0) { \
  22:         *(tp)->t_cp++ = c; \
  23:         if (++(tp)->t_inbuf == 1024 || (c) == '\n') { \
  24:             (tp)->t_rec = 1; \
  25:             wakeup((caddr_t)&(tp)->t_rawq); \
  26:         } \
  27:     } \
  28: }

Defined macros

Usage of this include