c language time() function

The time() function in the C programming language is used to retrieve the current system time. It is defined in the time.h header file. The function returns the number of seconds that have passed since the Unix epoch, which is January 1, 1970.

Here is an example of how to use the time() function:

#include <stdio.h>
#include <time.h>

int main() {
   time_t currentTime;

   // Get the current time
   currentTime = time(NULL);

   // Print the current time
   printf("Current time: %ld\n", currentTime);

   return 0;
}

In this example, the time() function is called with NULL as the argument, which retrieves the current time and stores it in the currentTime variable. Then, the current time is printed using the printf() function.

Note that the return value of time() is of type time_t, which is a typedef defined in time.h. It represents the number of seconds since the Unix epoch and can be used to perform various time-related calculations and comparisons.

That's it! The time() function allows you to retrieve the current system time in the C programming language.