correct usage of calling convention/export macros for editdll project
portable fixes
update windows 16/32/64 compatibility macros
do commonui project code more portable
add missing dll startup code for Causeway and RDOS DLL
rename NT source file to follow naming rule
portability fixes
use -x C compiler option for run-time libraries build
use _RoundUp macro for alignment
use new clibint.h header file