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[lwip-users] Problem on using DNS function in app

From: Bei Guan
Subject: [lwip-users] Problem on using DNS function in app
Date: Thu, 18 Nov 2010 23:00:11 +0800

Hi all,

I have used the function netconn_gethostbyname in my program. I have set the #define LWIP_DNS 1 in lwipopts.h and I also have include the "lwip/api.h" before my main function. When I compile my program, it came cross an error message: undefined reference to `netconn_gethostbyname'. But some other function can be used successfully, such as netconn_connect.

So anyone can give me advice. Thanks a lot!

Bei Guan

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