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-rw-r--r--lib/prefix.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/prefix.h b/lib/prefix.h
index d3707209..a7598b7e 100644
--- a/lib/prefix.h
+++ b/lib/prefix.h
@@ -137,6 +137,12 @@ prefix_bit (const u_char *prefix, const u_char prefixlen)
return (prefix[offset] >> shift) & 1;
}
+static inline unsigned int
+prefix6_bit (const struct in6_addr *prefix, const u_char prefixlen)
+{
+ return prefix_bit((const u_char *) &prefix->s6_addr, prefixlen);
+}
+
/* Prototypes. */
extern int afi2family (int);
extern int family2afi (int);