/usr/include/snacc/c/snacc.h is in libsnacc-dev 1.3.1-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* file: snacc.h
*
* $Header: /usr/app/odstb/CVS/snacc/snacc.h,v 1.7 1997/04/07 13:13:18 wan Exp $
* $Log: snacc.h,v $
* Revision 1.7 1997/04/07 13:13:18 wan
* Made more C++ readable (credits to Steve Walker)
*
* Revision 1.6 1997/02/28 13:39:35 wan
* Modifications collected for new version 1.3: Bug fixes, tk4.2.
*
* Revision 1.5 1997/02/15 20:38:48 rj
* In member functions, return *this after calling abort() for stupid compilers that don't seem to know about volatile abort() (they would otherwise abort with an error).
*
* Revision 1.4 1995/07/24 15:06:52 rj
* configure checks for mem* functions. define replacements using b* functions, if necessary.
*
*/
#ifndef _SNACC_H_
#define _SNACC_H_
#define GLASS 1
#define KHO 1
#include "snaccconfig.h"
#if STDC_HEADERS
#include <stdlib.h>
#endif
#ifndef NULL
#define NULL 0
#endif
#if HAVE_MEMCMP /* memcmp(3) returns <0, 0 and 0, bcmp(3) returns only 0 and !0 */
#define memcmpeq( a, b, len) memcmp (a, b, len)
#else
#define memcmpeq( a, b, len) bcmp (a, b, len)
#endif
#if HAVE_MEMSET
#define memzero( p, len) memset (p, 0, len)
#else
#define memzero( p, len) bzero (p, len)
#endif
#if !HAVE_MEMCPY
#define memcpy( dst, src, len) bcopy (src, dst, len)
#endif
#ifdef __cplusplus
#ifdef VOLATILE_RETRUN
# define RETURN_THIS_FOR_COMPILERS_WITHOUT_VOLATILE_FUNCTIONS return *this;
#else
# define RETURN_THIS_FOR_COMPILERS_WITHOUT_VOLATILE_FUNCTIONS
#endif
#if !BOOL_BUILTIN
#ifndef true
// enum bool { false, true };
// the above looks elegant, but leads to anachronisms (<, ==, !=, ... return value of type int, not enum bool), therefore:
typedef int bool;
enum { false, true };
#endif
#endif
#else /* !__cplusplus */
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
#endif /* __cplusplus */
/*
* Inspired by gdb 4.0, for better or worse...
* (grabbed from Barry Brachman - MS)
*
* These macros munge C routine declarations such
* that they work for ANSI or non-ANSI C compilers
*/
#ifdef __USE_ANSI_C__
#define PROTO( X) X
#define PARAMS( arglist, args) (args)
#define NOPARAMS() (void)
#define _AND_ ,
#define DOTS , ...
#else /* !__USE_ANSI_C__ */
#define PROTO( X) ()
#define PARAMS( arglist, args) arglist args;
#define NOPARAMS() ()
#define _AND_ ;
#define DOTS
#define void char
#endif /* __USE_ANSI_C__ */
#include "policy.h"
#if COMPILER
#define TCL (HAVE_TCL && !NO_TCL)
#define META (TCL && !NO_META)
#endif
#if MAKEDEPEND
#if !NO_META
#ifdef META
#undef META
#endif
#define META 1
#endif
#if !NO_TCL
#ifdef TCL
#undef TCL
#endif
#define TCL 1
#endif
#endif
#if TCL
#ifdef META
#undef META
#endif
#define META 1
#endif
#define COMMA ,
#ifdef _IBM_ENC_
#define if_IBM_ENC( code) code
#else
#define if_IBM_ENC( code)
#endif
#if META
#define if_META( code) code
#else
#define if_META( code)
#endif
#if TCL && META
#define if_TCL( code) code
#else
#define if_TCL( code)
#endif
#endif /* _SNACC_H_ */
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