== C Part ==
:: extend existing pre-defined macros to align with C11
:: pre-defined macros to identify installed features __STDC_*__
:: trivial - currently covered in C++ part - add to align with C99
:: inline functions
:: anonymous structures and unions
** new - add to align with C99 and C++11
::: bool macro, _Bool data type (C99)
::: variadic macros
::: Unicode support – same as C++
::: static assertions – evaluated later than #if and #error
::: bounds-checking – list of safe alternative library functions for robust programming
::: multi-threading support