int far _loadds pack(unsigned char far *pbuffer,short pbufferlen,
		  unsigned char far *inbuffer,short bufflen);

int far _loadds unpack(unsigned char far *outbuffer,
			unsigned char far *pbuffer,int plen);

int far _loadds unpackc(unsigned char far *outbuffer,
			unsigned char far *pbuffer,int plen);

extern  int hs_pack(unsigned char far *pbuffer,unsigned short plen,
					  unsigned char far *buffer,unsigned short length);
extern  int hs_unpack(unsigned char far *ubuffer,unsigned char far *pbuffer,
						unsigned short length);