diff options
Diffstat (limited to 'usr.sbin/xntpd/lib/netof.c')
-rw-r--r-- | usr.sbin/xntpd/lib/netof.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/usr.sbin/xntpd/lib/netof.c b/usr.sbin/xntpd/lib/netof.c new file mode 100644 index 0000000..286a584 --- /dev/null +++ b/usr.sbin/xntpd/lib/netof.c @@ -0,0 +1,25 @@ +/* + * netof - return the net address part of an ip address + * (zero out host part) + */ +#include <stdio.h> + +#include "ntp_fp.h" +#include "ntp_stdlib.h" + +U_LONG +netof(num) + U_LONG num; +{ + register U_LONG netnum; + + netnum = num; + + if(IN_CLASSC(netnum)) + netnum &= IN_CLASSC_NET; + else if (IN_CLASSB(netnum)) + netnum &= IN_CLASSB_NET; + else /* treat als other like class A */ + netnum &= IN_CLASSA_NET; + return netnum; +} |