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-rw-r--r--examples/network/chargen.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/examples/network/chargen.c b/examples/network/chargen.c
index 7db47da76f..218449b845 100644
--- a/examples/network/chargen.c
+++ b/examples/network/chargen.c
@@ -1,13 +1,13 @@
#include <rtthread.h>
#include <sys/socket.h>
-#ifdef RT_USING_DFS_NET
+#ifdef SAL_USING_POSIX
#include <sys/select.h> // only dfs_net
#include <dfs_posix.h>
#else
#define read lwip_read
#define write lwip_write
-#endif /* RT_USING_DFS_NET */
+#endif /* SAL_USING_POSIX */
#include "netdb.h"