* harbour/include/hbapicdp.h
* harbour/src/rtl/cdpapi.c
* harbour/src/rtl/is.c
* moved hb_charIs*() functions to cdpapi.c file for easier updating
in the future
% optimized memory allocation for new codepages
* harbour/contrib/hbct/pos1.c
* use hb_charIs*() functions instead of accessing HB_CODEPAGE
structure members