IPv4转发实验代码 /* * THIS FILE IS FOR IP FORWARD TEST */ #include "sysInclude.h" #include using std::vector; // system support extern void fwd_LocalRcv(char *pBuffer, int length); extern void fwd_SendtoLower(char *pBuffer, int length, unsigned int nexthop); extern void fwd_DiscardPkt(char *pBuffer, int type); extern unsigned int getIpv4Address( ); 。。。。。。