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-rw-r--r--lib/if2ip.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/if2ip.h b/lib/if2ip.h
index 0b658f9d2..e6f73a54a 100644
--- a/lib/if2ip.h
+++ b/lib/if2ip.h
@@ -42,9 +42,9 @@
#include "setup.h"
#if ! defined(WIN32) && ! defined(__BEOS__)
-char *if2ip(char *interface);
+extern char *if2ip(char *interface, char *buf, int buf_size);
#else
-#define if2ip(x) NULL
+#define if2ip(a,b,c) NULL
#endif
#endif