https://docs.vultr.com/cpp/sta....ndard-library/ctime/


ctime clock
In C++, clock() is a function from the <ctime> header that measures the CPU time used by a program. It returns the number of clock ticks elapsed since the program started.

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clock_t clock();
Returns: The number of clock ticks since the program started.
To convert ticks into seconds, divide by CLOCKS_PER_SEC.

https://docs.vultr.com/cpp/sta....ndard-library/ctime/



localtime() in C++In C++, localtime() is a function from the <ctime> header that converts a time_t value (seconds since Epoch: January 1, 197 into a local time representation in the form of a struct tm.

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struct tm* localtime(const time_t* time);
time: Pointer to a time_t value (current or specific time).
Returns: A pointer to a struct tm, which contains broken-down local time components such as year, month, day, hour, minute, and second.

https://docs.vultr.com/cpp/sta....ndard-library/ctime/


asctime() in C++
In C++, asctime() is a function from the <ctime> header that converts a struct tm time structure into a human-readable string.

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char* asctime(const struct tm* time_info);
time_info: Pointer to a struct tm containing the broken-down time.
Returns: A C-style string in the format:
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Www Mmm dd hh:mm:ss yyyy
\0