clock

This is a discussion on clock within the C Programming forums, part of the General Programming Boards category; Hi there Is there a way to create the clock or show the system clock and it can also tick ...

  1. #1
    Registered User
    Join Date
    Mar 2003
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    11

    clock

    Hi there

    Is there a way to create the clock or show the system clock
    and it can also tick as the seconds changes

    Thank

  2. #2
    Registered User
    Join Date
    Apr 2002
    Posts
    1,571
    You can do it with a windows function.

    Look up
    Code:
    VOID GetSystemTime( LPSYSTEMTIME lpSystemTime );
    If your unfamiliar with windows I can try to help you a little further. Basically the LP before the struct name is a typedef for a pointer to it. You pass the structure and it will fill it in with the appropriate information.

    Good Luck.
    "...the results are undefined, and we all know what "undefined" means: it means it works during development, it works during testing, and it blows up in your most important customers' faces." --Scott Meyers

  3. #3
    Just Lurking Dave_Sinkula's Avatar
    Join Date
    Oct 2002
    Posts
    5,006
    Code:
    #include <stdio.h>
    #include <string.h>
    #include <time.h>
    
    int main(void)
    {
       time_t now, last = time(&now), end = now + 10;
       while ( now < end )
       {
          if ( last < time(&now) )
          {
             char *text = ctime(&now), *newline = strchr(text, '\n');
             *newline = '\0';
             printf("\r%s", text);
             fflush(stdout);
             last = now;
          }
       }
       return 0;
    }
    7. It is easier to write an incorrect program than understand a correct one.
    40. There are two ways to write error-free programs; only the third one works.*

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