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-rw-r--r--include/grp.h2
-rw-r--r--include/net/if.h8
-rw-r--r--include/sys/wait.h2
3 files changed, 12 insertions, 0 deletions
diff --git a/include/grp.h b/include/grp.h
index 4469d789c8..5ed9c972f0 100644
--- a/include/grp.h
+++ b/include/grp.h
@@ -1,6 +1,8 @@
 #ifndef _GRP_H
 #include <grp/grp.h>
 
+libc_hidden_proto (setgroups)
+
 /* Now define the internal interfaces.  */
 extern int __getgrent_r (struct group *__resultbuf, char *buffer,
 			 size_t __buflen, struct group **__result)
diff --git a/include/net/if.h b/include/net/if.h
new file mode 100644
index 0000000000..9863dce9aa
--- /dev/null
+++ b/include/net/if.h
@@ -0,0 +1,8 @@
+#ifndef _NET_IF_H
+
+# include_next <net/if.h>
+
+libc_hidden_proto (if_nametoindex)
+libc_hidden_proto (if_indextoname)
+
+#endif
diff --git a/include/sys/wait.h b/include/sys/wait.h
index ebaa199bba..d1560b2b24 100644
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -4,6 +4,8 @@
 /* Now define the internal interfaces.  */
 extern __pid_t __waitpid (__pid_t __pid, int *__stat_loc,
 			  int __options);
+libc_hidden_proto (__waitpid)
+
 extern __pid_t __libc_waitpid (pid_t __pid, int *__stat_loc, int __options);
 extern __pid_t __libc_wait (int *__stat_loc);
 extern __pid_t __wait (__WAIT_STATUS __stat_loc);