add more overflow handling for printf builtin; start incorporating C23 stdckdint ; rework PRIdMAX replacements

examples/loadables/getconf.h

@@ -125,12 +125,4 @@
 #  define WORD_BIT	(sizeof (int) * CHAR_BIT)
 #endif
 
-#if !defined (PRIdMAX)
-#  if HAVE_LONG_LONG
-#    define PRIdMAX     "lld"
-#  else
-#    define PRIdMAX     "ld"
-#  endif
-#endif
-
 #endif /* _GETCONF_H */

examples/loadables/seq.c

@@ -35,18 +35,6 @@
 extern int errno;
 #endif
 
-#if defined (PRI_MACROS_BROKEN)
-#  undef PRIdMAX
-#endif
-
-#if !defined (PRIdMAX)
-#  if HAVE_LONG_LONG
-#    define PRIdMAX     "lld"
-#  else
-#    define PRIdMAX     "ld"
-#  endif
-#endif
-
 #if defined (HAVE_LONG_DOUBLE) && HAVE_DECL_STRTOLD && !defined(STRTOLD_BROKEN)
 typedef long double floatmax_t;
 #  define FLOATMAX_CONV "L"