/* Copyright (C) 2004 Free Software Foundation, Inc. This file is part of GNU Inetutils. GNU Inetutils 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, or (at your option) any later version. GNU Inetutils is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 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 GNU Inetutils; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ void tvsub (struct timeval *out, struct timeval *in); double nabs (double a); double nsqrt (double a, double prec); void show_license (void); unsigned long int ping_cvt_number (const char *optarg, unsigned long int maxval, int allow_zero); void init_data_buffer (unsigned char *pat, int len); void decode_pattern (const char *text, int *pattern_len, unsigned char *pattern_data);