#ifdef _NO_PROTO
extern void getMeshNormal();
extern void normalizeVector();
extern float dotProduct();
#else
extern void getMeshNormal(float  , float  , float  , float  , float  , float  , float  , float  , float  , float  , float  , float [3]);
extern void normalizeVector(float * );
extern float dotProduct(float *  , float *  , int );
#endif