/** * UTILITY header * * Copyright (C) 2001 Jeffrey Fulmer <jdfulmer@armstrong.com> * This file is part of LIBPING * * This program 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. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */#ifndef UTIL_H#define UTIL_H#ifdef HAVE_CONFIG_H# include <config.h>#endif/*HAVE_CONFIG_H*/ #ifdef  HAVE_SYS_TIMES_H# include <sys/times.h>#endif/*HAVE_SYS_TIMES_H*/#if TIME_WITH_SYS_TIME# include <sys/time.h># include <time.h>#else# if HAVE_SYS_TIME_H#  include <sys/time.h># else#  include <time.h># endif /*HAVE_SYS_TIME_H*/#endif  /*TIME_WITH_SYS_TIME*/  int elapsed_time( struct timeval *starttime );char * substring( char *, int, int );#endif  /* UTIL_H */