difftime: returns the difference, in seconds, between time1 and time2( time2 - time1) : difftime « time.h « C / ANSI-C

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C / ANSI-C » time.h » difftime Screenshots  difftime: returns the difference, in seconds, between time1 and time2( time2 - time1)      //Declaration: double difftime(time_t time2, time_t time1);              #include <time.h>   #include <stdio.h>   int main(void)   {     time_t start, end;     volatile long unsigned t;     start = time(NULL);     for(t=0; t<500; t++) ;     end = time(NULL);     printf("Loop used %f seconds.\n", difftime(end, start));     return 0;   }           /* Loop used 0.000000 seconds. */                      Related examples in the same category

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