C++ time()

time() Syntax

The syntax of the time() function is:

time(time_t* arg);

time() Parameters

The time() function takes the following parameters:

• arg: pointer to a time_t object which (if not NULL) stores the time.

time() Return Value

The time() function returns:

• On Success - the current calendar time as a value of type time_t.
• On Failure - -1 which is casted to type time_t.

time() Prototype

The prototype of time() as defined in the ctime header file is:

time_t time(time_t* arg);

Example 1: C++ time()

Output

1629810340 seconds has passed since 00:00:00 GMT, Jan 1, 1970

Example 2: C++ time() with Reference Pointer

Output

1629810340 seconds has passed since 00:00:00 GMT, Jan 1, 1970