Clock Function

It is used for getting the no. of clock ticks that have elapsed since the program started execution .

It returns value -1 if the time is not available .

One should divide the time by CLOCKS_PER_SECOND to get the time in seconds .

Syntax:

   
Declaration : 
clock_t clock(void); 
Calling :
clock();  OR   clock()/CLOCKS_PER_SECOND;

Example:

  #include <time.h>

  #include <stdio.h>



  int main()

  {

   

    printf("Elapsed time: %u secs.\n", clock()/CLOCKS_PER_SEC);

   

  return 0;

  }

     

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