From: thiago.adams@gmail.com   
      
   On 10/20/2025 7:19 PM, Keith Thompson wrote:   
   > Thiago Adams  writes:   
   >> speaking on signed x unsigned,   
   >>   
   >> u8"a"  in C11 had the type char [N]. Normally char is signed   
   >   
   > I would have said "commonly" rather than "normally".  Not an   
   > important point.   
   >   
   >> in C23 it is unsigned char8_t  [N].   
   >>   
   >> when converting code from c11 to c23 we have a error here   
   >> const char* s = u8""   
   >>   
   >>   
   >> I generally "cast char* " to "unsigned char*" when handling something   
   >> with utf8. I am not u8"" , I use just " " with utf8 encoded source   
   >> code and I just assume const char* is utf8.   
   >   
   > That raises another issue.   
   >   
   > The  header was introduced in C99.  In C99, C11, and C17,   
   > that header defines char16_t and char32_t.  C23 introduces char8_t.   
   >   
      
   I think for all these typedefs related with language concepts, like   
   size_t which is related with sizeof, char8_t which is related with u8""   
   char16_t u"", char32_t  U""... etc.. should be built-in typedefs.   
      
   And even others that does not have a association with language features   
   like int16_t.   
      
   --- SoupGate-Win32 v1.05   
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