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-rw-r--r--lib/ip.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/ip.h b/lib/ip.h
index 9b4400ba..66fdd8c2 100644
--- a/lib/ip.h
+++ b/lib/ip.h
@@ -469,8 +469,8 @@ static inline char * ip4_ntox(ip4_addr a, char *b)
static inline char * ip6_ntox(ip6_addr a, char *b)
{ return b + bsprintf(b, "%08x.%08x.%08x.%08x", _I0(a), _I1(a), _I2(a), _I3(a)); }
-int ip4_pton(char *a, ip4_addr *o);
-int ip6_pton(char *a, ip6_addr *o);
+int ip4_pton(const char *a, ip4_addr *o);
+int ip6_pton(const char *a, ip6_addr *o);
// XXXX these functions must be redesigned or removed
#ifdef IPV6