This c program makes use of a system library file which has its header as time h.
How to display wall clock time c.
To get the number of seconds used by the cpu you will need to divide by clocks per sec.
At the bottom of the screen tap widgets.
You can see the time on your home screens by adding a widget from the clock app.
When increasing the number iterations on my computer the measured cpu time starts showing on 100000 iterations.
At the bottom of the screen tap widgets.
The gettimeofday function returns the wall clock time elapsed since the epoch and store it in the timevalstructure expressed as seconds and microseconds.
On a 32 bit system where clocks per sec equals 1000000 this function will return the same value approximately every 72 minutes.
Add a clock widget touch and hold any empty section of a home screen.
This digital clock will display the current time with real time updates of time.
Touch and hold any empty section of a home screen.
The c library function clock t clock void returns the number of clock ticks elapsed since the program was launched.
Posix requires that clocks per sec equals 1000000 independent of the actual resolution.
According to my manual page on clock it says.
Learn how to display digital clock in c programming language.