/usr/include/libguytools2/toolconstants.h is in libguytools2-dev 2.0.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Project: libguytools
// ****************************************************************************
// Programmer: Guy Voncken
// Police Grand-Ducale
// Service de Police Judiciaire
// Section Nouvelles Technologies
// ****************************************************************************
// Module: Different useful constants
// ****************************************************************************
// Copyright 2008, 2009, 2010, 2011, 2012 Guy Voncken
//
// This file is part of libguytools.
//
// libguytools is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// libguytools is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with libguytools. If not, see <http://www.gnu.org/licenses/>.
#ifndef __TOOLCONSTANTS_H__
#define __TOOLCONSTANTS_H__
/* --------------------------------------------------------------------------------------------- */
/* Attention */
/* This files only defines general, never-changing constants. Do not add application dependant */
/* definitions, such as string lengths, stack sizes etc. */
/* --------------------------------------------------------------------------------------------- */
/* ---------------- */
/* Time constants */
/* ---------------- */
#define MSEC_PER_SECOND 1000
#define USEC_PER_MSEC 1000
#define SECONDS_PER_DAY 86400
#define SECONDS_PER_HOUR 3600
#define SECONDS_PER_MINUTE 60
#define MSEC_PER_DAY (MS_PER_S * S_PER_DAY )
#define MSEC_PER_HOUR (MS_PER_S * S_PER_HOUR )
#define MSEC_PER_MINUTE (MS_PER_S * S_PER_MINUTE)
#define DAYS_PER_WEEK 7
#define SECONDS_PER_WEEK (DAYS_PER_WEEK*SECONDS_PER_DAY)
#define DAYS_PER_YEAR 365 // Attention, this is of
#define SECONDS_PER_YEAR (SECONDS_PER_DAY * DAYS_PER_YEAR) // course just an estimation
#define MONTHS_PER_YEAR 12
/* ---------------------- */
/* Weights and measures */
/* ---------------------- */
static const double LBS_PER_KG = 2.204623;
static const double MM_PER_INCH = 25.4;
#define UM_PER_M 1000000
#define UM_PER_MM 1000
#define MM_PER_M 1000
/* ---------------------- */
/* Mathematics */
/* ---------------------- */
static const double PI = 3.141592654;
/* ---------------------- */
/* Computer stuff */
/* ---------------------- */
#define BYTES_PER_KILOBYTE 1024
#define BYTES_PER_MEGABYTE 1048576
#define CLIB_YEAROFFSET 1900 // Fixed year offset for struct tm (by ANSI)
#define TCPIP_ADDRESS_LEN 15 // Address format: XXX.XXX.XXX.XXX -> 15 -- do not forget to add +1 if using C strings
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
/* ------------------ */
/* ASCII characters */
/* ------------------ */
static const char ASCII_ESC = 27;
static const char ASCII_BS = 0x08;
static const char ASCII_LF = 0x0A;
static const char ASCII_CR = 0x0D;
static const char ASCII_ENTER = ASCII_CR;
static const char ASCII_EOF = 0x1A;
#endif
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