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   comp.lang.c      Meh, in C you gotta define EVERYTHING      243,242 messages   

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   Message 242,888 of 243,242   
   James Russell Kuyper Jr. to bart   
   Re: printf and time_t   
   07 Jan 26 12:45:30   
   
   From: jameskuyper@alumni.caltech.edu   
      
   On 2026-01-06 20:14, bart wrote:   
   > On 07/01/2026 00:44, James Kuyper wrote:   
   >> On 2026-01-06 13:05, Michael S wrote:   
   >   
   >>> in case of using %u to print 'unsigned long' on target with 32-bit   
   >>> longs, or like using %llu to print 'unsigned long' onĀ  target with   
   >>> 64-bit longs, then beauty wins. Easily.   
   >>   
   >> You've got it backwards. "%u" is the correct specifier to use for   
   >> unsigned long on all platforms, whether unsigned long is 32, 36, or even   
   >> 48 bits.   
   >   
   > So not "%lu"?   
      
   I was so wrapped up in making my point about the differences between   
   standard named types and the  typedefs that I failed to notice   
   he was using the wrong specifier for unsigned long. You're right, it   
   should be "%lu".   
      
   On a different point, I used time_t as an example. It would have been   
   better to use ptrdiff_t instead, since  has a macro for that   
   type, and doesn't have one for time_t.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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