247239be |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: tv.h,v 1.1 1998/11/25 23:30:01 mdw Exp $ |
4 | * |
5 | * Manipulation of timeval structures |
6 | * |
7 | * (c) 1998 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of the mLib utilities library. |
13 | * |
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. |
18 | * |
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. |
23 | * |
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. |
27 | */ |
28 | |
29 | /*----- Revision history --------------------------------------------------* |
30 | * |
31 | * $Log: tv.h,v $ |
32 | * Revision 1.1 1998/11/25 23:30:01 mdw |
33 | * New file. |
34 | * |
35 | */ |
36 | |
37 | #ifndef TV_H |
38 | #define TV_H |
39 | |
40 | #ifdef __cplusplus |
41 | extern "C" { |
42 | #endif |
43 | |
44 | /*----- Header files ------------------------------------------------------*/ |
45 | |
46 | #include <sys/time.h> |
47 | |
48 | /*----- Functions provided ------------------------------------------------*/ |
49 | |
50 | /* --- @tv_add@ --- * |
51 | * |
52 | * Arguments: @struct timeval *dst@ = destination block |
53 | * @const struct timeval *a, *b@ = source blocks |
54 | * |
55 | * Returns: --- |
56 | * |
57 | * Use: Adds two timevals. |
58 | */ |
59 | |
60 | extern void tv_add(struct timeval */*dst*/, |
61 | const struct timeval */*a*/, |
62 | const struct timeval */*b*/); |
63 | |
64 | /* --- @tv_sub@ --- * |
65 | * |
66 | * Arguments: @struct timeval *dst@ = destination block |
67 | * @const struct timeval *a, *b@ = source blocks |
68 | * |
69 | * Returns: --- |
70 | * |
71 | * Use: Subtracts two timevals. |
72 | */ |
73 | |
74 | extern void tv_sub(struct timeval */*dst*/, |
75 | const struct timeval */*a*/, |
76 | const struct timeval */*b*/); |
77 | |
78 | /* --- @tv_cmp@ --- * |
79 | * |
80 | * Arguments: @const struct timeval *a, *b@ = source blocks |
81 | * |
82 | * Returns: Less than, equal to, or greater than zero. |
83 | * |
84 | * Use: Compares two timevals. |
85 | */ |
86 | |
87 | extern int tv_cmp(const struct timeval */*a*/, |
88 | const struct timeval */*b*/); |
89 | |
90 | /*----- That's all, folks -------------------------------------------------*/ |
91 | |
92 | #ifdef __cplusplus |
93 | } |
94 | #endif |
95 | |
96 | #endif |