[lwip-users] about lwip's ppp implementation

[zhangl]

Hello, every one!

        in lwip implementation, use following macro to check escape charactar:

#define ESCAPE_P(accm, c) ((accm)[(c) >> 3] & pppACCMMask[c & 0x07])

 

I can't understand it and why initial inAccm as 0x00000001

and outAccm as 0xffff fff1?

 

could you help me?

BRS

==================================
　zhang liang

 

    RD  Dept.
    UTStarcom Telecom Co.,Ltd.
    Tel:0571-88862342-6769
    Email : address@hidden
==================================

----- Original Message -----

From: zhangl

To: address@hidden

Sent: Thursday, September 25, 2003 2:58 PM

Subject: about lwip's ppp implementation

Hello everyone!

         about lwip's ppp implementation, I have a question:

why inAccm[15]and outAccm[15] must init as 0x60?

 

Brs

==================================
　zhang liang

 

    RD  Dept.
    UTStarcom Telecom Co.,Ltd.
    Tel:0571-88862342-6769
    Email : address@hidden
==================================