Remove unnecessary 'extern's.
Change-Id: Iba2b3fb6ff88e504f1657b915120ae43d58a1e03
diff --git a/libc/include/sys/eventfd.h b/libc/include/sys/eventfd.h
index 4c8da0c..6b9749a 100644
--- a/libc/include/sys/eventfd.h
+++ b/libc/include/sys/eventfd.h
@@ -40,10 +40,10 @@
/* type of event counter */
typedef uint64_t eventfd_t;
-extern int eventfd(unsigned int initial_value, int flags);
+int eventfd(unsigned int initial_value, int flags);
-extern int eventfd_read(int fd, eventfd_t* value);
-extern int eventfd_write(int fd, eventfd_t value);
+int eventfd_read(int fd, eventfd_t* value);
+int eventfd_write(int fd, eventfd_t value);
__END_DECLS