2 * netof - return the net address part of an ip address
8 #include "ntp_stdlib.h"
15 register u_int32 netnum;
19 netnum &= IN_CLASSC_NET;
20 else if (IN_CLASSB(netnum))
21 netnum &= IN_CLASSB_NET;
22 else /* treat all other like class A */
23 netnum &= IN_CLASSA_NET;