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#define PCOL_SCRATCHP   0xfeeb      /* Protocol ID for SCRATCHP */ 
#define MAXSLIP         1006        /* Max SLIP frame size */ 
 
#define MAXNETS         4           /* Max net interfaces, must be power of 2 */ 
 
/* Driver type bits returned by 'open_net' 
** If l.s.byte is zero, use direct hardware interface. 
** If non-zero, is an interrupt number (i.e. handle) for packet driver access */ 
#define DTYPE_ETHER     0x8000      /* Ethernet frame */ 
#define DTYPE_SNAP      0x4000      /* 802.3 SNAP header option */ 
#define DTYPE_SLIP      0x2000      /* SLIP frame */ 
#define DTYPE_PKTD      0x0010      /* PC packet driver interface */ 
#define DTYPE_NE        0x0020      /* Direct NE2000-compatible driver */ 
#define DTYPE_3C        0x0040      /* Direct 3COM 3C509 driver */ 
#define DTYPE_SER       0x0100      /* PC serial driver (direct or Win32) */ 
#define NETNUM_MASK     (MAXNETS-1) /* Mask for network number */ 
 
int put_frame(GENFRAME *gfp, int len); 
int get_frame(GENFRAME *gfp); 
WORD open_net(char *cfgstr); 
void close_net(WORD dtype); 
BYTE *ether_addr(WORD dtype); 
WORD get_net(GENFRAME *gfp); 
WORD put_net(GENFRAME *gfp, WORD len); 
void poll_net(WORD dtype); 
WORD receive_upcall(WORD dtype, void *buff, WORD len); 
WORD transmit_upcall(WORD dtype, void *buff, WORD maxlen); 
void receive_ether(WORD dtype); 
void transmit_ether(WORD dtype); 
WORD open_etherne(char *str, WORD dtype); 
WORD open_ether3c(char *str, WORD dtype); 
WORD open_slip(char *cfgstr, WORD dtype); 
void close_slip(WORD dtype); 
int receive_slip(WORD dtype); 
WORD put_slip(BYTE *pack, WORD len, WORD dtype); 
 
/* EOF */