intstack.h Source File

00001 /***************************************************************************
00002  *cr
00003  *cr            (C) Copyright 1995-2019 The Board of Trustees of the
00004  *cr                        University of Illinois
00005  *cr                         All Rights Reserved
00006  *cr
00007  ***************************************************************************/
00008 
00009 /***************************************************************************
00010  * RCS INFORMATION:
00011  *
00012  *      $RCSfile: intstack.h,v $
00013  *      $Author: johns $        $Locker:  $             $State: Exp $
00014  *      $Revision: 1.9 $      $Date: 2019/01/17 21:21:03 $
00015  *
00016  ***************************************************************************
00017  * DESCRIPTION:
00018  *   Trivial stack implementation for use in eliminating recursion
00019  *   in molecule graph traversal algorithms.
00020  *
00021  ***************************************************************************/
00022 
00023 #ifdef __cplusplus
00024 extern "C" {
00025 #endif
00026 
00027 typedef void * IntStackHandle;
00028 
00029 IntStackHandle intstack_create(int long);
00030 void intstack_destroy(IntStackHandle voidhandle);
00031 int intstack_compact(IntStackHandle voidhandle);
00032 int intstack_push(IntStackHandle voidhandle, int i);
00033 int intstack_pop(IntStackHandle voidhandle, int *i);
00034 int intstack_popall(IntStackHandle voidhandle);
00035 int intstack_empty(IntStackHandle voidhandle);
00036 
00037 #ifdef __cplusplus
00038 }
00039 #endif
00040