3 * $Id: tv.h,v 1.1 1998/11/25 23:30:01 mdw Exp $
5 * Manipulation of timeval structures
7 * (c) 1998 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of the mLib utilities library.
14 * mLib is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * mLib is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with mLib; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 /*----- Revision history --------------------------------------------------*
32 * Revision 1.1 1998/11/25 23:30:01 mdw
44 /*----- Header files ------------------------------------------------------*/
48 /*----- Functions provided ------------------------------------------------*/
52 * Arguments: @struct timeval *dst@ = destination block
53 * @const struct timeval *a, *b@ = source blocks
57 * Use: Adds two timevals.
60 extern void tv_add(struct timeval */*dst*/,
61 const struct timeval */*a*/,
62 const struct timeval */*b*/);
66 * Arguments: @struct timeval *dst@ = destination block
67 * @const struct timeval *a, *b@ = source blocks
71 * Use: Subtracts two timevals.
74 extern void tv_sub(struct timeval */*dst*/,
75 const struct timeval */*a*/,
76 const struct timeval */*b*/);
80 * Arguments: @const struct timeval *a, *b@ = source blocks
82 * Returns: Less than, equal to, or greater than zero.
84 * Use: Compares two timevals.
87 extern int tv_cmp(const struct timeval */*a*/,
88 const struct timeval */*b*/);
90 /*----- That's all, folks -------------------------------------------------*/