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-rw-r--r--include/sched.h2
-rw-r--r--include/unistd.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/include/sched.h b/include/sched.h
index 4f59397090..b4d74064de 100644
--- a/include/sched.h
+++ b/include/sched.h
@@ -19,7 +19,9 @@ extern int __sched_rr_get_interval (__pid_t __pid, struct timespec *__t);
 /* These are Linux specific.  */
 extern int __clone (int (*__fn) (void *__arg), void *__child_stack,
 		    int __flags, void *__arg, ...);
+libc_hidden_proto (__clone)
 extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base,
 		     size_t __child_stack_size, int __flags, void *__arg, ...);
+libc_hidden_proto (__clone2)
 #endif
 #endif
diff --git a/include/unistd.h b/include/unistd.h
index 5152f64f91..d2802b2b3e 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -81,6 +81,7 @@ char *__canonicalize_directory_name_internal (const char *__thisdir,
 					      size_t __size) attribute_hidden;
 
 extern int __dup (int __fd);
+libc_hidden_proto (__dup)
 extern int __dup2 (int __fd, int __fd2);
 libc_hidden_proto (__dup2)
 extern int __dup3 (int __fd, int __fd2, int flags);