1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/************************************************************************
*
* Purpose: To play with the time.h functions.
*
* Author: M.J. Leslie
*
* Date: 18-Mar-95
*
************************************************************************/
#include <stdio.h> /* NULL */
#include <time.h> /* ctime, asctime */
main()
{
time_t now; /* define 'now'. time_t is probably
* a typedef */
/* Calender time is the number of
* seconds since 1/1/1970 */
now = time((time_t *)NULL); /* Get the system time and put it
* into 'now' as 'calender time' */
printf("%s", ctime(&now)); /* Format data in 'now'
* NOTE that 'ctime' inserts a
* '\n' */
/*********************************************************************/
/* Here is another way to extract the time/date information */
time(&now);
printf("%s", ctime(&now)); /* Format data in 'now' */
/*********************************************************************/
{
struct tm *l_time;
l_time = localtime(&now); /* Convert 'calender time' to
* 'local time' - return a pointer
* to the 'tm' structure. localtime
* reserves the storage for us. */
printf("%s", asctime(l_time));
}
/*********************************************************************/
time(&now);
printf("%s", asctime(localtime( &now )));
/*********************************************************************/
{
struct tm *l_time;
char string[20];
time(&now);
l_time = localtime(&now);
strftime(string, sizeof string, "%d-%b-%y\n", l_time);
printf("%s", string);
}
}
|
