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-rw-r--r--include/unistd.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h
index 72d7e2e88c..ccba893abe 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -1,6 +1,8 @@
 #ifndef _UNISTD_H
 # include <posix/unistd.h>
 
+__BEGIN_DECLS
+
 libc_hidden_proto (_exit, __noreturn__)
 libc_hidden_proto (alarm)
 libc_hidden_proto (confstr)
@@ -174,4 +176,6 @@ extern int __have_sock_cloexec;
    unless it is really necessary.  */
 #define __have_pipe2 __have_sock_cloexec
 
+__END_DECLS
+
 #endif