workbench/fs/pipe/pipelists.h

   1 /****************************************************************************
   2 **  File:       pipelists.h
   3 **  Program:    pipe-handler - an AmigaDOS handler for named pipes
   4 **  Version:    1.1
   5 **  Author:     Ed Puckett      qix@mit-oz
   6 **
   7 **  Copyright 1987 by EpAc Software.  All Rights Reserved.
   8 **
   9 **  History:    05-Jan-87       Original Version (1.0)
  10 */
  11
  12
  13
  14 typedef struct pipelistnode       /* must be first member of list items */
  15   { struct pipelistnode  *next;
  16   }
  17 PIPELISTNODE;
  18
  19 typedef struct pipelistheader
  20   { struct pipelistnode  *head;
  21   }
  22 PIPELISTHEADER;
  23
  24
  25
  26 #define   InitList(headerp)    ((void) ((headerp)->head= NULL))
  27 #define   FirstItem(headerp)   ((headerp)->head)
  28 #define   NextItem(nodep)      (((PIPELISTNODE *) (nodep))->next)
  29
  30
  31
  32 extern void  InsertHead ( /* headerp, nodep */ );
  33 extern void  InsertTail ( /* headerp, nodep */ );
  34 extern void  Delete     ( /* headerp, nodep */ );