Re: "A diagram of C23 basic types"

On 17/04/2025 00:31, Keith Thompson wrote:
<lots of good stuff snipped>

Like the Julian day number, it's
useful for computing the number of days between dates.

Indeed. <time.h> can do it, of course, but I find it a trifle clumsy for the purpose.
Date-heavy loops are the other win:
for(day = today(); day < enddate; day++)
{
   fromjul(&y, &m, &d, day);
   if(day % 7 < SATURDAY) /* skip weekends */
   {
     fprintf(fp, "%02d/%02d/%04d,%d,%s\n", d, m, y, foo, bar);
   }
} and so on.
I suppose <time.h> can do that too, but I can't help thinking that it would be far less elegant... not that I've ever bothered to find out.
--
Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
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