Add versioning information to symbols.
Bug: http://b/28178111
Change-Id: I46bf95accd819f4521afb1173d8badcc5e9df31c
diff --git a/libc/include/arpa/inet.h b/libc/include/arpa/inet.h
index 86265bf..e4f94ef 100644
--- a/libc/include/arpa/inet.h
+++ b/libc/include/arpa/inet.h
@@ -37,10 +37,10 @@
in_addr_t inet_addr(const char*);
int inet_aton(const char*, struct in_addr*);
-in_addr_t inet_lnaof(struct in_addr);
-struct in_addr inet_makeaddr(in_addr_t, in_addr_t);
-in_addr_t inet_netof(struct in_addr);
-in_addr_t inet_network(const char*);
+in_addr_t inet_lnaof(struct in_addr) __INTRODUCED_IN(21);
+struct in_addr inet_makeaddr(in_addr_t, in_addr_t) __INTRODUCED_IN(21);
+in_addr_t inet_netof(struct in_addr) __INTRODUCED_IN(21);
+in_addr_t inet_network(const char*) __INTRODUCED_IN(21);
char* inet_ntoa(struct in_addr);
const char* inet_ntop(int, const void*, char*, socklen_t);
unsigned int inet_nsap_addr(const char*, unsigned char*, int);