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Wireshark use pletohs to convert unsigned char to unsigned short,How to understand this code?


What are some good Wireshark tutorials?How to filter by IP address in Wireshark?C.S. Basics: Understanding Data Packets, Protocols, WiresharkUsing libwireshark to get Wireshark functionality programmaticallyHow to read SSL/TLS Encrypted Alert code under Ephemeral RSAHow to capture Asterisk's AMI and AGI traffic using WireShark in a textual format?How to use Wireshark to help to create a protocol fuzzing framework?How do you pull certain substrings(ip addresses) out of strings(Wireshark Output)?How to Decrypt TCP Traffic Using Wireshark?Compiling Wireshark packet dissector






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0















I am reading the wireshark source code.but I can't understand this code:



typedef unsigned short guint16;
typedef unsigned char guint8;
#define pletohs(p) ((guint16)
((guint16)*((const guint8 *)(p)+1)<<8|
(guint16)*((const guint8 *)(p)+0)<<0))
const guint8 *ptr;
pletohs(ptr);


how pletohs works?










share|improve this question




























    0















    I am reading the wireshark source code.but I can't understand this code:



    typedef unsigned short guint16;
    typedef unsigned char guint8;
    #define pletohs(p) ((guint16)
    ((guint16)*((const guint8 *)(p)+1)<<8|
    (guint16)*((const guint8 *)(p)+0)<<0))
    const guint8 *ptr;
    pletohs(ptr);


    how pletohs works?










    share|improve this question
























      0












      0








      0








      I am reading the wireshark source code.but I can't understand this code:



      typedef unsigned short guint16;
      typedef unsigned char guint8;
      #define pletohs(p) ((guint16)
      ((guint16)*((const guint8 *)(p)+1)<<8|
      (guint16)*((const guint8 *)(p)+0)<<0))
      const guint8 *ptr;
      pletohs(ptr);


      how pletohs works?










      share|improve this question














      I am reading the wireshark source code.but I can't understand this code:



      typedef unsigned short guint16;
      typedef unsigned char guint8;
      #define pletohs(p) ((guint16)
      ((guint16)*((const guint8 *)(p)+1)<<8|
      (guint16)*((const guint8 *)(p)+0)<<0))
      const guint8 *ptr;
      pletohs(ptr);


      how pletohs works?







      wireshark






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 25 at 2:42









      zbdbazbdba

      11




      11






















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