text: #define PORT 50003
  
  /*This macro has to be managed globally from this point. It marks whether
  the transport is TCP or UDP or may be any other implementation. Please use the
  values USE_TCP or USE_UDP to define the transport type*/
  #define USE_TCP 0
  #define USE_UDP 1
  #define TRANS_PROTOCOL USE_TCP
  
  /*The following pre processing will ease the usage complexity for the 
  D3_transport layer. These parameters are used in defining the socket for
  communication. If a fine tuning is required, the definitions in d3_transport.h
  will have to be enhanced and changes will be required at the programs using 
  d3 transport layer.*/
  #if TRANS_PROTOCOL==USE_TCP
  #define NMSPACE AF_INET
  #define STYLE SOCK_STREAM
  #define PROTOCOL 0
  #elif TRANS_PROTOCOL==USE_UDP
  #define NMSPACE AF_INET
  #define STYLE SOCK_DGRAM
  #define PROTOCOL 0
  #endif
  
  