3 * $Id: tv.h,v 1.2 1999/05/05 18:50:31 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 Library General Public License as
16 * published by the Free Software Foundation; either version 2 of the
17 * License, or (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 Library General Public License for more details.
24 * You should have received a copy of the GNU Library General Public
25 * License along with mLib; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 /*----- Revision history --------------------------------------------------*
32 * Revision 1.2 1999/05/05 18:50:31 mdw
33 * Change licensing conditions to LGPL.
35 * Revision 1.1 1998/11/25 23:30:01 mdw
47 /*----- Header files ------------------------------------------------------*/
51 /*----- Functions provided ------------------------------------------------*/
55 * Arguments: @struct timeval *dst@ = destination block
56 * @const struct timeval *a, *b@ = source blocks
60 * Use: Adds two timevals.
63 extern void tv_add(struct timeval */*dst*/,
64 const struct timeval */*a*/,
65 const struct timeval */*b*/);
69 * Arguments: @struct timeval *dst@ = destination block
70 * @const struct timeval *a, *b@ = source blocks
74 * Use: Subtracts two timevals.
77 extern void tv_sub(struct timeval */*dst*/,
78 const struct timeval */*a*/,
79 const struct timeval */*b*/);
83 * Arguments: @const struct timeval *a, *b@ = source blocks
85 * Returns: Less than, equal to, or greater than zero.
87 * Use: Compares two timevals.
90 extern int tv_cmp(const struct timeval */*a*/,
91 const struct timeval */*b*/);
93 /*----- That's all, folks -------------------------------------------------*/