VideoCodec/External/Octave/engine.h
typedef char Engine;
Engine *engOpen( char *startcommand );
int engPutFull( Engine *ep, char *name, int m, int n,
double *pr, double *pi );
int engEvalString( Engine *ep, char *string, int length );
int engOutputBuffer( Engine *ep, char *p, int n );
int engClose( Engine *ep );
void *mxCalloc( unsigned int n, unsigned int size );
void mxFree( void *ptr );