* device/include/stdio.h: added NULL, size_t, typedef pfn_outputchar,

* device/include/stdio.h: added NULL, size_t, typedef pfn_outputchar,
  _print_format; updated printf, sprintf, vsprintf
* device/include/asm/default/features.h: corrected comment/define
* device/lib/Makefile.in: added sprintf.c
* device/lib/libsdcc.lib: added sprintf module
* device/lib/printf_large.c,
* device/lib/vprintf.c,
* device/lib/sprintf.c: totally refactored printf_large and vprintf
  into these 3 files
* support/regression/Makefile: changed ALL_PORTS into a usefull default
* support/regression/ports/mcs51-stack-auto/spec.mk: added sprintf
* support/regression/tests/bug-927659.c: removed dummy putchar, enabled
  hc08 test
* support/regression/tests/zeropad.c: define idata as data for hc08

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3467 4a8a32a2-be11-0410-ad9d-d568d2c75423