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-rw-r--r--components/net/at/at_socket/at_socket.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/components/net/at/at_socket/at_socket.c b/components/net/at/at_socket/at_socket.c
index 6d4c040856..46d158dabf 100644
--- a/components/net/at/at_socket/at_socket.c
+++ b/components/net/at/at_socket/at_socket.c
@@ -13,6 +13,7 @@
#include <string.h>
#include <ctype.h>
#include <sys/time.h>
+#include <sys/errno.h>
#include <at_socket.h>
#include <at_device.h>