A call to ctime(time) is a combination of asctime() and localtime() functions, as asctime(localtime(time)).
It is defined in <ctime> header file.
ctime() prototype
char* ctime(const time_t* time_ptr);
The ctime() function takes a pointer to time_t object as its parameter and returns a text representation of the form:
Www Mmm dd hh:mm:ss yyyy
|
Type |
Description |
Values |
|---|---|---|
|
Www |
3 letter day of week |
Mon to Sun |
|
Mmm |
3 letter month name |
Jan to Dec |
|
dd |
2 digit day of month |
00 to 31 |
|
hh |
2 digit hour |
00 to 23 |
|
mm |
2 digit minute |
00 to 59 |
|
ss |
2 digit second |
00 to 59 |
|
yyyy |
4 digit year |
4 digit year |
ctime() Parameters
- time_ptr: pointer to a time_t object to be converted.
ctime() Return value
- Pointer to a null terminated string the points to the character representation of the date and time.
Example: How ctime() function works?
#include <iostream>
#include <ctime>
using namespace std;
int main()
{
time_t curr_time;
curr_time = time(NULL);
char *tm = ctime(&curr_time);
cout << "Today is : " << tm;
return 0;
}
When you run the program, the output will be:
Today is : Fri Mar 24 18:48:04 2017