-#ifdef __cplusplus
-#define __cppwrapper( x ) extern "C++" x \
-extern "C" x
-#else
-#define __cppwrapper( x ) x
-#endif // __cplusplus
-
-__cppwrapper( int atexit( void (*func) ( void ) ) { /* TODO */ }; )
-__cppwrapper( void * bsearch( const void * key, const void * base, size_t nelem, size_t size, int (*cmp) ( const void * ck, const void * ce) ) { /* TODO */ }; )
-__cppwrapper( void qsort( void * base, size_t nelem, size_t size, int (*cmp) ( const void * e1, const void * e2) ) { /* TODO */ }; )
-
-#undef __cppwrapper
+int atexit( void (*func) ( void ) );
+void * bsearch( const void * key, const void * base, size_t nelem, size_t size, int (*cmp) ( const void * ck, const void * ce) );
+void qsort( void * base, size_t nelem, size_t size, int (*cmp) ( const void * e1, const void * e2) );