this is the public C interface to the ODE library.all these files should be includable from C, i.e. they should not use anyC++ features. everything should be protected with	#ifdef __cplusplus	extern "C" {	#endif	...	#ifdef __cplusplus	}	#endifthe only exceptions are the odecpp.h and odecpp_collisioh.h files, which define a C++ wrapper forthe C interface. remember to keep this in sync!