[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/include/libio.h b/ap/libc/glibc/glibc-2.23/include/libio.h
new file mode 100644
index 0000000..97fc5b5
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/include/libio.h
@@ -0,0 +1,36 @@
+#if !defined _ISOMAC && defined _IO_MTSAFE_IO
+# include <stdio-lock.h>
+#endif
+#include <libio/libio.h>
+
+#ifndef _ISOMAC
+#ifndef _LIBC_LIBIO_H
+#define _LIBC_LIBIO_H
+
+libc_hidden_proto (__overflow)
+libc_hidden_proto (__underflow)
+libc_hidden_proto (__uflow)
+libc_hidden_proto (__woverflow)
+libc_hidden_proto (__wunderflow)
+libc_hidden_proto (__wuflow)
+libc_hidden_proto (_IO_free_backup_area)
+libc_hidden_proto (_IO_free_wbackup_area)
+libc_hidden_proto (_IO_padn)
+libc_hidden_proto (_IO_putc)
+libc_hidden_proto (_IO_sgetn)
+libc_hidden_proto (_IO_vfprintf)
+libc_hidden_proto (_IO_vfscanf)
+
+#if defined _IO_MTSAFE_IO && _IO_lock_inexpensive
+# undef _IO_flockfile
+# define _IO_flockfile(_fp) \
+ if (((_fp)->_flags & _IO_USER_LOCK) == 0) \
+ _IO_lock_lock (*(_fp)->_lock)
+# undef _IO_funlockfile
+# define _IO_funlockfile(_fp) \
+ if (((_fp)->_flags & _IO_USER_LOCK) == 0) \
+ _IO_lock_unlock (*(_fp)->_lock)
+#endif
+
+#endif
+#endif