ref: 48a4cc7cb98050a324ed2d2d4acae901cf072b35
dir: /include/ip.h/
enum { IPaddrlen= 16, IPv4addrlen= 4, IPv4off= 12, }; uchar* defmask(uchar*); void maskip(uchar*, uchar*, uchar*); int eipfmt(Fmt*); int isv4(uchar*); vlong parseip(uchar*, char*); vlong parseipmask(uchar*, char*, int); vlong parseipandmask(uchar*, uchar*, char*, char*); char* v4parseip(uchar*, char*); void hnputv(void*, uvlong); void hnputl(void*, uint); void hnputs(void*, ushort); uvlong nhgetv(void*); uint nhgetl(void*); ushort nhgets(void*); int v6tov4(uchar*, uchar*); void v4tov6(uchar*, uchar*); #define ipcmp(x, y) memcmp(x, y, IPaddrlen) #define ipmove(x, y) memmove(x, y, IPaddrlen) extern uchar IPv4bcast[IPaddrlen]; extern uchar IPv4bcastobs[IPaddrlen]; extern uchar IPv4allsys[IPaddrlen]; extern uchar IPv4allrouter[IPaddrlen]; extern uchar IPnoaddr[IPaddrlen]; extern uchar v4prefix[IPaddrlen]; extern uchar IPallbits[IPaddrlen]; #define CLASS(p) ((*(uchar*)(p))>>6)