libc: enable IPTOS_MINCOST, fixup gethostbyaddr() proto.
Make netinet/ip.h have IPTOS_MINCOST which matches what
kernel/common/linux/ip.h has to say.
Fixup gethostbyaddr() 1st arg to match what man has to say.
Change-Id: Iff9647d4a46ea88b1fc32163eb69bb9b27cdf370
diff --git a/libc/include/netdb.h b/libc/include/netdb.h
index eb2d99f..5ad7b4a 100644
--- a/libc/include/netdb.h
+++ b/libc/include/netdb.h
@@ -206,8 +206,8 @@
void endprotoent(void);
void endservent(void);
void freehostent(struct hostent *);
-struct hostent *gethostbyaddr(const char *, int, int);
-int gethostbyaddr_r(const char *, int, int, struct hostent *, char *, size_t, struct hostent **, int *);
+struct hostent *gethostbyaddr(const void *, int, int);
+int gethostbyaddr_r(const void *, int, int, struct hostent *, char *, size_t, struct hostent **, int *);
struct hostent *gethostbyname(const char *);
int gethostbyname_r(const char *, struct hostent *, char *, size_t, struct hostent **, int *);
struct hostent *gethostbyname2(const char *, int);