request for help

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request for help

Ethashamuddin Mohammed
Hello
 
I would like to write an application program, one as client and the other as server using TCP module of LWIP as shown below.
 
client -----> TCP lib(LWIP) ------> INET Raw socket -----user space---------|-------kernel space------------->  IP------>DLL
Server-----> TCP lib(LWIP) ------> INET Raw socket -----user space---------|-------kernel space------------->  IP------>DLL
 
I know the usage of INET Raw socket(SOCK_RAW), but i have no idea about the usage of TCP layer of LWIP library.
 
Please let me know a sample program which uses TCP layer(LWIP) in user space and communicate the data.
 
I would be really happy, if somebody could give me the info in this regard.
 
With regards,
Shamuddin.
 

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