int eipfmt(Fmt*);
int isv4(uchar*);
vlong parseip(uchar*, char*);
-vlong parseipmask(uchar*, char*);
+vlong parseipmask(uchar*, char*, int);
+vlong parseipandmask(uchar*, uchar*, char*, char*);
char* v4parseip(uchar*, char*);
-char* v4parsecidr(uchar*, uchar*, char*);
int parseether(uchar*, char*);
int myipaddr(uchar*, char*);
int myetheraddr(uchar*, char*);