6 #ifndef INCLUDED_support_h
7 #define INCLUDED_support_h
10 * Given a number of bits, make a netmask out of it.
12 #define NETMASK(bits) htonl((0xffffffff>>(32-(bits)))<<(32-(bits)))
19 extern int check_if_ipmask(const char *mask);
20 extern void write_log(const char *filename, const char *pattern, ...);
22 #endif /* INCLUDED_support_h */