usr/src/lib/libast/i386/include/ast/stk.h

   1
   2 /* : : generated by proto : : */
   3 /***********************************************************************
   4 *                                                                      *
   5 *               This software is part of the ast package               *
   6 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   7 *                      and is licensed under the                       *
   8 *                  Common Public License, Version 1.0                  *
   9 *                    by AT&T Intellectual Property                     *
  10 *                                                                      *
  11 *                A copy of the License is available at                 *
  12 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  13 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  14 *                                                                      *
  15 *              Information and Software Systems Research               *
  16 *                            AT&T Research                             *
  17 *                           Florham Park NJ                            *
  18 *                                                                      *
  19 *                 Glenn Fowler <gsf@research.att.com>                  *
  20 *                  David Korn <dgk@research.att.com>                   *
  21 *                   Phong Vo <kpv@research.att.com>                    *
  22 *                                                                      *
  23 ***********************************************************************/
  24
  25 /*
  26  * David Korn
  27  * AT&T Research
  28  *
  29  * Interface definitions for a stack-like storage library
  30  *
  31  */
  32
  33 #ifndef _STK_H
  34 #if !defined(__PROTO__)
  35 #include <prototyped.h>
  36 #endif
  37 #if !defined(__LINKAGE__)
  38 #define __LINKAGE__             /* 2004-08-11 transition */
  39 #endif
  40
  41 #define _STK_H
  42
  43 #include <sfio.h>
  44
  45 #define _Stk_data       _Stak_data
  46
  47 #define stkstd          (&_Stk_data)
  48
  49 #define Stk_t           Sfio_t
  50
  51 #define STK_SMALL       1               /* small stkopen stack          */
  52 #define STK_NULL        2               /* return NULL on overflow      */
  53
  54 #define stkptr(sp,n)    ((char*)((sp)->_data)+(n))
  55 #define stktop(sp)      ((char*)(sp)->_next)
  56 #define stktell(sp)     ((sp)->_next-(sp)->_data)
  57 #define stkseek(sp,n)   ((n)==0?(char*)((sp)->_next=(sp)->_data):_stkseek(sp,n))
  58
  59 #if _BLD_ast && defined(__EXPORT__)
  60 #undef __MANGLE__
  61 #define __MANGLE__ __LINKAGE__ __EXPORT__
  62 #endif
  63 #if !_BLD_ast && defined(__IMPORT__)
  64 #undef __MANGLE__
  65 #define __MANGLE__ __LINKAGE__ __IMPORT__
  66 #endif
  67
  68 extern __MANGLE__ Sfio_t                _Stk_data;
  69
  70 #undef __MANGLE__
  71 #define __MANGLE__ __LINKAGE__
  72
  73 #if _BLD_ast && defined(__EXPORT__)
  74 #undef __MANGLE__
  75 #define __MANGLE__ __LINKAGE__          __EXPORT__
  76 #endif
  77
  78 extern __MANGLE__ Stk_t*                stkopen __PROTO__((int));
  79 extern __MANGLE__ Stk_t*                stkinstall __PROTO__((Stk_t*, char*(*)(int)));
  80 extern __MANGLE__ int           stkclose __PROTO__((Stk_t*));
  81 extern __MANGLE__ int           stklink __PROTO__((Stk_t*));
  82 extern __MANGLE__ char*         stkalloc __PROTO__((Stk_t*, unsigned));
  83 extern __MANGLE__ char*         stkcopy __PROTO__((Stk_t*,const char*));
  84 extern __MANGLE__ char*         stkset __PROTO__((Stk_t*, char*, unsigned));
  85 extern __MANGLE__ char*         _stkseek __PROTO__((Stk_t*, unsigned));
  86 extern __MANGLE__ char*         stkfreeze __PROTO__((Stk_t*, unsigned));
  87 extern __MANGLE__ int           stkon __PROTO__((Stk_t*, char *));
  88
  89 #undef __MANGLE__
  90 #define __MANGLE__ __LINKAGE__
  91
  92 #endif