mflscm.c

一个交换作业的源程序

  
  #include "exdata.c"

  extern int d_e(struct event **eventp);
  extern void ins_e(struct event  *eventp,struct event **headp,struct event **rearp );

  extern int sact[];     /* Array for activity of hang on and off    *
			  *    identifing program                     */
  extern char dr[];      /* Array for timeslot_number of subscriber  */
  extern int subs[];     /* Array for the now state of subscribers   */
  extern int subsbef[];  /* Array for the last state of subscribers  */

void  mflscm(void)
{
  int r,i;
  static struct event *q;

      for(i=0;i<=3;i++)
	{
	   if((!subs[i])&subsbef[i]&sact[i])
	    {
	      r=d_e(&q);
	      if (r!=short_event)
	       {
		q->even=ehangon;
		q->drivn=dr[i];
	       }
	      ins_e(q,&headeq1,&reareq1);
	    }
	   if(subs[i]&(!subsbef[i])&sact[i])
	    {
	      r=d_e(&q);
	      if (r!=short_event)
	       {
		q->even=ehangup;
		q->drivn=dr[i];
	       }
	      ins_e(q,&headeq1,&reareq1);
	   }
      }
}