From 58d9a4815d9b09651c658d15adc771638272ba44 Mon Sep 17 00:00:00 2001
From: David Lechner <david@lechnology.com>
Date: Sat, 21 Mar 2020 17:34:15 -0500
Subject: [PATCH] extmod/vfs_posix_file: Include unistd.h to get
 STD{IN,OUT,ERR}_FILENO.

---
 extmod/vfs_posix_file.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/extmod/vfs_posix_file.c b/extmod/vfs_posix_file.c
index 3735fedf6..ef40eff6a 100644
--- a/extmod/vfs_posix_file.c
+++ b/extmod/vfs_posix_file.c
@@ -32,6 +32,7 @@
 #if MICROPY_VFS_POSIX || MICROPY_VFS_POSIX_FILE
 
 #include <fcntl.h>
+#include <unistd.h>
 
 #ifdef _WIN32
 #define fsync _commit