#ifndef _WALSH_H#define _WALSH_H/* * $Log: walsh.h,v $ * Revision 1.1  2000/05/03 14:30:04  bjc97r * Initial revision * */typedef struct {  unsigned long state; /* the Walsh code generator state */  unsigned long index; /* the Walsh code index */} Walsh;Walsh *walsh_create( unsigned long index, unsigned long seed );void walsh_free( Walsh *id );char walsh( Walsh *id );#endif /* _WALSH_H */