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-rw-r--r--newlib/libc/include/sys/errno.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/newlib/libc/include/sys/errno.h b/newlib/libc/include/sys/errno.h
index 1b5f216d8..672d99eac 100644
--- a/newlib/libc/include/sys/errno.h
+++ b/newlib/libc/include/sys/errno.h
@@ -17,6 +17,10 @@ extern int *__errno _PARAMS ((void));
extern __IMPORT _CONST char * _CONST _sys_errlist[];
extern __IMPORT int _sys_nerr;
+#ifdef __CYGWIN__
+extern __IMPORT const char * const sys_errlist[];
+extern __IMPORT int sys_nerr;
+#endif
#define __errno_r(ptr) ((ptr)->_errno)