1 2 /* : : generated by proto : : */ 3 /*********************************************************************** 4 * * 5 * This software is part of the ast package * 6 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 7 * and is licensed under the * 8 * Common Public License, Version 1.0 * 9 * by AT&T Knowledge Ventures * 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 88 #undef __MANGLE__ 89 #define __MANGLE__ __LINKAGE__ 90 91 #endif 92